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Chemistry Quiz:

Q1: Amidst the listed luminaries in the annals of scientific exploration, who earned the Nobel Prize in Chemistry in 1911 for identifying the unstable isotopes known as radium and polonium?

(a) John Dalton
(b) Dmitri Mendeleev
(c) Emil Fischer
(d) Marie Curie

A1: (d) — MARIE CURIE

Q2: Which collaborative pair of scholars from Germany pioneered the splitting of uranium nuclei, thereby laying the groundwork for the advent of nuclear technology?

(a) Hahn and Strassman
(b) Nernst and Planck
(c) Ostwald and Heisenberg
(d) Bohr and Rutherford

A2: (a) — HAHN AND STRASSMAN

Q3: Who is credited with devising a systematic chart of elements in 1869 that highlighted recurring trends in their fundamental characteristics?

(a) Theodore Richards
(b) Antoine Lavoisier
(c) Dmitri Mendeleev
(d) Svante Arrhenius

A3: (c) — DMITRI MENDELEEV

Q4: Identify the trailblazing chemist from the United States who first claimed a Nobel Prize in 1914, honored for his exacting evaluations of elemental masses?

(a) Edward Frankland
(b) Theodore Richards
(c) John Bardeen
(d) Paul Dirac

A4: (b) — THEODORE RICHARDS

Q5: What is the upper limit for electron population in an s-type atomic orbital?

(a) one
(b) two
(c) three
(d) four

A5: (b) — TWO

Q6: What key property must be shared by electrons residing in the same s orbital?

(a) coplanar spins
(b) parallel spins
(c) opposite spins
(d) none of these

A6: (c) — OPPOSITE SPINS

Q7: What concept quantifies the array of atoms or charged species encircling a primary metal center in coordination chemistry?

(a) coordination number
(b) connection number
(c) bonding number
(d) none of these

A7: (a) — COORDINATION NUMBER

Q8: From the given combinations, which one deviates from displaying comparable reactivity patterns?

(a) fluorine-argon
(b) beryllium-aluminum
(c) boron-silicon
(d) lithium-magnesium

A8: (a) — FLUORINE-ARGON

Q9: What label is assigned to a compound engineered to diminish the kinetic energy of fast-moving neutrons in nuclear contexts?

(a) retarder
(b) moderator
(c) buffer
(d) bottleneck

A9: (b) — MODERATOR

Q10: What phenomenon describes the deflection of visible rays by minute dispersed particles in a medium?

(a) Rutherford effect
(b) Tyndall effect (pron: tin-dahl)
(c) Thompson effect
(d) none of these

A10: (b) — TYNDALL EFFECT

Q11: What term denotes the fusible residue formed when a melting aid reacts with extraneous materials in mineral extraction?

(a) slag
(b) slurry
(c) slug
(d) none of the above

A11: (a) — SLAG

Q12: Which attribute listed does not align with the typical traits of solid-state boron in its ordered form?

(a) brown color
(b) diamond hardness
(c) brittleness
(d) high electrical resistance

A12: (a) — BROWN COLOR (Ordered boron appears translucent.)

Q13: Among inert gases, which possesses the most elevated phase transition temperature to liquid?

(a) argon
(b) krypton
(c) xenon
(d) radon

A13: (d) — RADON

Q14: The inert elements exhibit diminished vaporization points primarily owing to:

(a) their minimal electron detachment energies
(b) solely feeble intermolecular attractions binding the particles
(c) their derivation via cryogenic separation of atmospheric gases
(d) their complete outer electron shells

A14: (b) — SOLELY FEEBLE VAN DER WAALS FORCES BINDING THE PARTICLES

Q15: For which category of ionic compounds do all members dissolve completely in aqueous environments?

(a) sulfates
(b) nitrates
(c) hydroxides
(d) chlorides

A15: (b) — NITRATES

Q16: Which characteristic is absent from the general profile of alkaline substances in hydrated form?

(a) Elevated dissolvability
(b) Tart flavor
(c) Capacity to counterbalance hydronium ions in liquids
(d) Transformation of colorless indicators to crimson hues

A16: (a) — ELEVATED DISSOLVABILITY (Alkali hydroxides dissolve well, yet most metallic variants show limited or moderate solubility.)

Q17: The potent blend termed king’s water consists of:

(a) undiluted nitric oxidizer
(b) a volumetric ratio of three parts strong chloride acid to one part strong nitrate acid
(c) undiluted chloride acid
(d) a fusion of sulfurous and chloride acids

A17: (b) — A VOLUMETRIC RATIO OF THREE PARTS STRONG CHLORIDE ACID TO ONE PART STRONG NITRATE ACID

Q18: A fluid registering a hydrogen ion exponent of 12 qualifies as:

(a) mildly proton-rich
(b) intensely proton-rich
(c) mildly hydroxide-rich
(d) intensely hydroxide-rich

A18: (d) — INTENSELY HYDROXIDE-RICH

Q19: The member of the seventh group with the broadest nuclear diameter is:

(a) Cl
(b) I
(c) Br
(d) At

A19: (d) — At

Q20: Iodine derivatives are excluded from applications in:

(a) cooling systems
(b) light-sensitive emulsions
(c) vital nutritional components
(d) microbial disinfectants

A20: (a) — COOLING SYSTEMS

Q21: Variants of phosphorus encompass all except:

(a) crimson variant
(b) ebony variant
(c) pale variant
(d) verdant variant

A21: (d) — VERDANT VARIANT

Q22: Which category incorporates carbon centers with trigonal planar hybridization?

(a) saturated chains
(b) unsaturated doubles
(c) unsaturated triples
(d) cyclic saturates

A22: (b) — UNSATURATED DOUBLES

Q23: Select the inaccurate depiction of the hexagonal aromatic compound:

(a) typical addition tendencies of double bonds
(b) volatile fluid phase
(c) cyclic conjugated system
(d) delocalized pi bonding model

A23: (a) — TYPICAL ADDITION TENDENCIES OF DOUBLE BONDS

Q24: Pinpoint the non-aromatic cyclic structure among these:

(a) fused bicyclic aromatic
(b) six-carbon straight chain
(c) vinyl benzene derivative
(d) dimethyl benzene isomer

Q24: (b) — SIX-CARBON STRAIGHT CHAIN

Q25: From the options, which lacks chain or ring unsaturation?

(a) eight-carbon straight
(b) three-carbon double
(c) thirteen-carbon straight
(d) six-carbon aromatic

A25: (d) — SIX-CARBON AROMATIC

Q26: Among these methods, which does not yield carbonic gas?

(a) incomplete combustion of carbon in limited oxygen
(b) hydrocarbon fuel burning
(c) thermal breakdown of metal bicarbonates
(d) protonation of carbonate salts

A26: (a) — INCOMPLETE COMBUSTION OF CARBON IN LIMITED OXYGEN

Q27: Identify the non-lipid biomolecule from the list:

(a) triglycerides and lipids
(b) polysaccharides
(c) sterols
(d) cerides

A27: (b) — POLYSACCHARIDES

Q28: Select the non-vital organic nutrient compound:

(a) citrus acid derivative
(b) vitamin B3
(c) proteolytic enzyme
(d) vitamin B2

A28: (c) — PROTEOLYTIC ENZYME

Q29: Among these, which quantity is quantified in Pascals?

(a) mechanical effort
(b) spatial capacity
(c) compressive force per area
(d) fluid resistance

A29: (c) — COMPRESSIVE FORCE PER AREA

Q30: The Poise unit gauges which physical attribute?

(a) force per unit area
(b) internal friction in liquids
(c) applied push
(d) bulk quantity

A30: (b) — INTERNAL FRICTION IN LIQUIDS

Q31: Recognize the symbol B corresponding to which chemical species?

(a) heavy alkaline earth
(b) post-transition metal
(c) metalloid nonmetal
(d) light alkaline earth

A31: (c) — METALLOID NONMETAL

Q32: In the elemental organization table, what denotes a lateral sequence?

(a) horizontal tier
(b) vertical cluster
(c) kinship group
(d) sequential set

A32: (a) — HORIZONTAL TIER

Q33: What geometry characterizes linkages in an atom with tetrahedral electron distribution?

(a) flat triangular
(b) straight line
(c) pyramidal base
(d) flat square

A33: (c) — PYRAMIDAL BASE

Q34: Predominant interactions in charged lattice materials are chiefly:

(a) shared electron pairs
(b) charge attractions
(c) weak dipole forces
(d) magnetic polarities

A34: (b) — CHARGE ATTRACTIONS

Q35: Normality quantifies:

(a) solute units per kilogram solvent
(b) reactive units per liter mixture
(c) mass per liter solute
(d) solute units per kilogram mixture

A35: (b) — REACTIVE UNITS PER LITER MIXTURE

Q36: The valence state of nitrogen in sodium nitrite is:

(a) +5
(b) +2
(c) +3
(d) -3

A36: (c) — +3 (Accept 3)

Q37: In its lowest energy configuration, which atom possesses a pair of solitary electrons?

(a) alkali metal
(b) alkaline earth
(c) chalcogen
(d) group thirteen

A37: (c) — CHALCOGEN

Q38: Among these pairings, where is the linkage least polar?

(a) sodium-halogen
(b) halogen-halogen
(c) magnesium-chalcogen
(d) iron-carbide

A38: (b) — HALOGEN-HALOGEN

Q39: Group 1 elements in the elemental array are termed:

(a) reactive nonmetals
(b) divalent metals
(c) monovalent metals
(d) lanthanoids

A39: (c) — MONOVALENT METALS

Q40: The innovator who isolated a metallic substance from uranium ore is:

(a) platinum group
(b) actinide fuel
(c) transition rare
(d) synthetic actinide

A40: (b) — ACTINIDE FUEL

Q41: Mercury sulfide, iron sulfide, and lead sulfide share a unified nonmetal component; what is it?

(a) ferrous
(b) cupric
(c) chalcogen six
(d) alkali one

A41: (c) — CHALCOGEN SIX

Q42: During spectral analysis with flames, copper ions produce which hue in the blaze?

(a) scarlet
(b) citrus
(c) violet-blue
(d) turquoise

A42: (d) — TURQUOISE

Q43: Alpha emissions diverge from beta in that:

(a) magnetic fields bend alpha but not beta
(b) alpha match electron mass unlike beta
(c) alpha carry positive charge versus beta’s negative
(d) alpha emerge from core while beta from shell

A43: (c) — ALPHA CARRY POSITIVE CHARGE VERSUS BETA’S NEGATIVE

Q44: For rare gases, which assertion holds true regarding their thermal absorption per mole?

(a) diminishes from lightest to heaviest
(b) escalates from lightest to middle
(c) rises then falls across the group
(d) uniform across the family

A44: (d) — UNIFORM ACROSS THE FAMILY

Q45: From these materials, which exemplifies a nonuniform composition?

(a) silicon oxide crystal
(b) potassium aluminum silicate
(c) igneous rock blend
(d) sheet silicate

A45: (c) — IGNEOUS ROCK BLEND

Q46: In halogen displacement reactions, which fails to oust others from their combinations?

(a) lightest halogen
(b) heaviest halogen
(c) middle bromine
(d) chlorine variant

A46: (b) — HEAVIEST HALOGEN

Q47: The linkage in HCl exemplifies which category?

(a) full charge transfer
(b) equal electron sharing
(c) uneven electron sharing
(d) extended lattice sharing

A47: (c) — UNEVEN ELECTRON SHARING

Q48: The interatomic connection in diatomic fluorine is:

(a) charge-based
(b) balanced sharing
(c) imbalanced sharing
(d) grid-like sharing

A48: (b) — BALANCED SHARING

Q49: Which metric expresses solute amount per solvent mass in kilograms?

(a) mole fraction
(b) parts per thousand
(c) equivalent ratio
(d) mole per kilogram

A49: (b) — PARTS PER THOUSAND

Q50: The initial phase in fossil fuel maturation is typically:

(a) medium-grade carbon
(b) high-grade carbon
(c) top-grade carbon
(d) low-grade peat-like

A50: (d) — LOW-GRADE PEAT-LIKE

Q51: Upon thermal treatment with copper sulfate reagent, a carbonyl compound with OH group undergoes:

(a) pH neutralization
(b) electron loss
(c) electron gain
(d) carboxylate formation

A51: (b) — ELECTRON LOSS

Q52: Alkaline cleavage of triglycerides yields:

(a) pH balancing
(b) ether linkage
(c) soap production
(d) polymer chaining

A52: (c) — SOAP PRODUCTION

Q53: In a zinc-carbon battery, zinc undergoes:

(a) gain at positive electrode
(b) loss at positive electrode
(c) loss at negative electrode
(d) gain at negative electrode

A53: (c) — LOSS AT NEGATIVE ELECTRODE

Q54: Traversing a row leftward in the elemental table, electron affinity typically:

(a) enlarges
(b) contracts
(c) stabilizes
(d) fluctuates

A54: (b) — CONTRACTS

Q55: Which transformation excludes redox processes?

(a) antimony combustion in halogen
(b) potassium perchlorate breakdown
(c) alkali with moisture
(d) base-acid neutralization

A55: (d) — BASE-ACID NEUTRALIZATION

Q56: The theorist who posited the impossibility of simultaneous precision in particle position and velocity was:

(a) uncertainty principle originator
(b) wave-particle duality proponent
(c) quantum constant definer
(d) wave equation solver

A56: (a) — UNCERTAINTY PRINCIPLE ORIGINATOR

Q57: Ammonia functions as a pair donor in coordinate theory, thus:

(a) charged particles
(b) proton donors
(c) hydrated protons
(d) hydroxide donors

A57: (a) — CHARGED PARTICLES

Q58: Proton donors react with hydroxide donors to generate:

(a) neutral salt and oxide
(b) hydrate and oxide
(c) oxide and neutral salt
(d) neutral salt and hydrate

A58: (d) — NEUTRAL SALT AND HYDRATE

Q59: A fatty acid metal ester equates to:

(a) cleansing agent
(b) synthetic polymer
(c) elastic material
(d) hydrocarbon fuel

A59: (a) — CLEANSING AGENT

Q60: Macromolecular chains of peptide units belong to:

(a) nucleic bases
(b) sugar polymers
(c) fatty chains
(d) protein structures

A60: (d) — PROTEIN STRUCTURES

Q61: Which duo cannot form a pH-stabilizing mixture?

(a) strong acid and its salt
(b) weak acid salt pair
(c) amine and its halide
(d) weak acid salt pair

A61: (a) — STRONG ACID AND ITS SALT

Q62: The formulator of mass preservation in reactions was:

(a) French chemist
(b) atomic theorist
(c) proportion law
(d) gas law

A62: (a) — FRENCH CHEMIST

Q63: The elucidator of light-induced electron emission was:

(a) relativity pioneer
(b) energy quantizer
(c) atomic modeler
(d) neutron discoverer

A63: (a) — RELATIVITY PIONEER

Q64: The proposer of particulate wave duality was:

(a) energy packets
(b) position momentum
(c) light mass
(d) matter waves

A64: (d) — MATTER WAVES

Q65: The triple carbon linkage in ethyne dictates:

(a) flat triangle
(b) straight alignment
(c) pyramid base
(d) dual pyramid

A65: (b) — STRAIGHT ALIGNMENT

Q66: Among period four elements, which boasts the broadest atomic span?

(a) group two heavy
(b) group one heaviest
(c) group two light
(d) group seventeen

A66: (b) — GROUP ONE HEAVIEST

Q67: The scent from methyl benzoate relative is akin to:

(a) spice bark
(b) tropical fruit
(c) citrus peel
(d) herbal mint

A67: (d) — HERBAL MINT

Q68: CaBr2O6 is denominated as:

(a) divalent halogen oxo salt
(b) divalent halogen dioxide
(c) divalent halogen mono oxide
(d) divalent halogen

A68: (a) — DIVALENT HALOGEN OXO SALT

Q69: Fully saturated carbon chains are classified under:

(a) single bond series
(b) double bond series
(c) triple bond series
(d) fictional series

A69: (a) — SINGLE BOND SERIES

Q70: Common sweetener from cane is a:

(a) simple sugar
(b) dual sugar
(c) chain sugar
(d) few sugar

A70: (b) — DUAL SUGAR

Q71: Undiluted hydrate equates to what concentration level?

(a) half strength
(b) five strength
(c) fifty strength
(d) five hundred strength

A71: (c) — FIFTY STRENGTH

Q72: Dissolution kinetics rely least on:

(a) thermal input
(b) compressive force
(c) mixture saturation
(d) particle exposure

A72: (b) — COMPRESSIVE FORCE

Q73: The inaugural American Nobel chemist in 1914 excelled in:

(a) organic synthesis
(b) mass precision
(c) superconductivity
(d) quantum fields

A73: (b) — MASS PRECISION

Q74: Pascal units apply to:

(a) push magnitude
(b) containment size
(c) stress intensity
(d) flow opposition

A74: (c) — STRESS INTENSITY

Q75: Alloys incorporating dental fillings always include:

(a) ferrous base
(b) liquid metal
(c) precious yellow
(d) precious white

A75: (b) — LIQUID METAL

Q76: Diazo structures feature:

(a) dual carbon
(b) dual nitrogen
(c) dual oxygen
(d) dual halogen

A76: (b) — DUAL NITROGEN

Q77: This inert fluid, nonreactive with typical alloys save one, primarily fuels refrigerant production at 90% yield:

(a) tetrachloro methane
(b) dichloro methane
(c) hydrogen halide
(d) fluoro methane

A77: (a) — TETRACHLORO METHANE

Q78: A fused ring system sharing a single carbon is termed:

(a) bridged structure
(b) nonpolar entity
(c) interstitial blend
(d) core entity

A78: (a) — BRIDGED STRUCTURE

Q79: Which species yields XO2 acidic oxide and XH2 acidic hydride?

(a) group one
(b) group two
(c) group thirteen
(d) group sixteen

A79: (d) — GROUP SIXTEEN

Q80: Which demands the most energy for sequential electron removal?

(a) group thirteen light
(b) group fourteen
(c) group fifteen
(d) group two

A80: (d) — GROUP TWO

Q81: Glucose harbors how many oxygen units?

(a) two
(b) six
(c) ten
(d) twelve

A81: (b) — SIX

Q82: Which harbors a carbon-carbon unsaturation?

(a) four-carbon double
(b) two-carbon triple
(c) four-carbon single
(d) three-carbon single

A82: (a) — FOUR-CARBON DOUBLE

Q83: A hydroxyl parallels a carboxylate as a base parallels:

(a) proton donor
(b) carbonyl
(c) alkoxy
(d) ionic compound

A83: (d) — IONIC COMPOUND

Q84: In transformations, the metric minimized is:

(a) thermal content
(b) disorder measure
(c) thermal scale
(d) heat change

A84: (a) — THERMAL CONTENT

Q85: Atmospheric carbon-14 arises via:

(a) hydrogen on carbon
(b) charged on hydrogen
(c) radiation on group thirteen
(d) neutrons on group fifteen

A85: (d) — NEUTRONS ON GROUP FIFTEEN

Q86: Doubling hydrate from 10 to 20 Celsius alters kinetic energy:

(a) by ten degrees
(b) twofold
(c) under twofold
(d) over twofold

A86: (c) — UNDER TWOFOLD

Q87: Sulfur’s sixteen electrons distribute with how many in the valence p subshell?

(a) three
(b) four
(c) six
(d) zero

A87: (b) — FOUR

Q88: The least potent proton donor is:

(a) strong mineral
(b) weak halogen
(c) diprotic strong
(d) nitric strong

A88: (b) — WEAK HALOGEN

Q89: A hypothetical entity liberated in burning was dubbed:

(a) heat flow
(b) ethereal
(c) heat unit
(d) fire essence

A89: (d) — FIRE ESSENCE

Q90: Among fluids, the densest is:

(a) hydrate
(b) alkane fuel
(c) ketone solvent
(d) halogen methane

A90: (d) — HALOGEN METHANE

Q91: Crystalline versus amorphous solids differ in that ordered forms, unlike disordered:

(a) melt sharply
(b) atoms irregular
(c) split light doubly
(d) structure perfectly ordered

A91: (d) — STRUCTURE PERFECTLY ORDERED

Q92: Kinetic expressions link reaction velocity to levels of:

(a) end products
(b) starting materials
(c) side products
(d) accelerators

A92: (b) — STARTING MATERIALS

Q93: Hydrocarbons with carbon triple links are:

(a) double chain
(b) single chain
(c) triple chain
(d) long chains

A93: (c) — TRIPLE CHAIN

Q94: Which low-melting element liquifies upon contact with skin?

(a) group thirteen
(b) group one heavy
(c) group one light
(d) group two

A94: (a) — GROUP THIRTEEN

Q95: Mixing acetic and bicarbonate liberates:

(a) diatomic oxygen
(b) diatomic nitrogen
(c) dioxide carbon
(d) diatomic hydrogen

A95: (c) — DIOXIDE CARBON

Q96: Sucrose components unite via:

(a) charge links
(b) weak bonds
(c) shared pairs
(d) London forces

A96: (c) — SHARED PAIRS

Q97: A synthetic macromolecule example is:

(a) ionic crystal
(b) hydrocarbon
(c) polymer solid
(d) simple sugar

A97: (c) — POLYMER SOLID

Q98: Butter conversion to spread involves:

(a) halide addition
(b) partial saturation
(c) carbon attachment
(d) oxygen addition

A98: (b) — PARTIAL SATURATION

Q99: The ideal gas relation PV equals nRT is:

(a) partial vapor law
(b) perfect mixture formula
(c) squared equation
(d) vapor depression

A99: (b) — PERFECT MIXTURE FORMULA

Q100: The element capable of maximal shared linkages is:

(a) group fifteen
(b) group sixteen
(c) group seventeen
(d) group sixteen heavy

A100: (d) — GROUP SIXTEEN HEAVY

Q101: Which forms tetrahedral arrangements?

(a) tetravalent
(b) divalent light
(c) trivalent
(d) monovalent halogen

A101: (a) — TETRAVALENT

Q102: A hand-melting solid metal is:

(a) group thirteen
(b) group one heavy
(c) group one light
(d) group two

A102: (a) — GROUP THIRTEEN

Q103: In 2.5 liters containing 5 equivalents of NaCl, the strength is:

(a) five per liter
(b) two per liter
(c) two point five per liter
(d) twelve point five per liter

A103: (b) — TWO PER LITER

Q104: Ammonia’s geometric form is:

(a) flat
(b) four-sided
(c) three-sided pyramid
(d) three-sided flat

A104: (c) — THREE-SIDED PYRAMID

Q105: Forty-eight grams carbon hold how many equivalents?

(a) four
(b) three
(c) two
(d) one

A105: (a) — FOUR

Q106: What interaction causes non-ideal behavior in typical vapors?

(a) molecular attractions
(b) shared charges
(c) mass pull
(d) pair sharing

A106: (a) — MOLECULAR ATTRACTIONS

Q107: Non-mirror-image stereoisomers are:

(a) geometric isomers
(b) optical isomers
(c) functional variants
(d) diastereomers

A107: (b) — OPTICAL ISOMERS

Q108: The simplest ratio for twelve-carbon alkane is:

(a) five to eleven
(b) six to thirteen
(c) ten to twenty-two
(d) twelve to twenty-six

A108: (b) — SIX TO THIRTEEN

Q109: Commercial purification of copper employs:

(a) high-heat melting
(b) ion migration
(c) phase change
(d) oxide roasting

A109: (b) — ION MIGRATION

Q110: Concentrated dehydrator on saccharides induces:

(a) acceleration
(b) electron removal
(c) electron addition
(d) water removal

A110: (d) — WATER REMOVAL

Q111: A terrestrial metal absent in free form is:

(a) precious white
(b) precious yellow
(c) group two
(d) precious gray

A111: (c) — GROUP TWO

Q112: Under equivalent states, the superior reducer is:

(a) halide anion one
(b) halide anion two
(c) halide anion three
(d) halide anion four

A112: (d) — HALIDE ANION FOUR

Q113: Naphthalene comprises how many carbons?

(a) six
(b) eight
(c) ten
(d) fifteen

A113: (c) — TEN

Q114: Separation via differential migration velocities is:

(a) sieving
(b) color partitioning
(c) solvent extraction
(d) volume adjustment

A114: (b) — COLOR PARTITIONING

Q115: The linkage with minimal charge separation is:

(a) H-F
(b) Li-F
(c) Li-Br
(d) F-F

A115: (d) — F-F

Q116: Inner transition metals are also:

(a) scarce terrestrials
(b) nonconductors
(c) row five
(d) row six

A116: (a) — SCARCE TERRESTRIALS

Q117: Magnesium’s initial detachment energy at 176 kcal/mol implies second around:

(a) three fifty
(b) one seven six zero
(c) two zero zero
(d) two zero

A117: (a) — THREE FIFTY

Q118: Iron(II) synonym is:

(a) tetravalent iron
(b) trivalent iron
(c) divalent iron
(d) monovalent iron

A118: (c) — DIVALENT IRON

Q119: CO2 carbon mass fraction nears:

(a) three seven point five
(b) two seven point three
(c) seven five
(d) four five

A119: (b) — TWO SEVEN POINT THREE

Q120: The American laureate in 1934 pinpointed heavy hydrogen:

(a) radioactive alkali
(b) synthetic actinide
(c) hydrogen isotope
(d) light hydrogen

A120: (c) — HYDROGEN ISOTOPE

Q121: In a horizontal sequence, minimal electron loss tendency belongs to:

(a) central metals
(b) group one
(c) group seventeen
(d) group eighteen

A121: (b) — GROUP ONE

Q122: An entity that accepts electron duo is:

(a) proton pair donor
(b) hydroxide pair donor
(c) duo acceptor
(d) duo donor

A122: (c) — DUO ACCEPTOR

Q123: Descending a column, electron detachment ease:

(a) rises
(b) falls
(c) constant
(d) varies

A123: (a) — RISES

Q124: Advancing rightward, electron attraction:

(a) escalates
(b) diminishes
(c) steady
(d) oscillates

A124: (a) — ESCALATES

Q125: Electron capture by Ar-37 nucleus yields:

(a) Cl-37 seventeen
(b) Cl-38 seventeen
(c) K-37 nineteen
(d) K-38 nineteen

A125: (a) — CL-37 SEVENTEEN

Q126: Further oxidation of aldehyde produces:

(a) carbonyl
(b) carboxylate
(c) hydroxyl
(d) ester linkage

A126: (b) — CARBOXYLATE

Q127: Diverse solid phases of an element are:

(a) constant mixtures
(b) variant forms
(c) mass variants
(d) volume constants

A127: (b) — VARIANT FORMS

Q128: Kinetic postulates exclude:

(a) minute particulate matter
(b) perpetual motion particles
(c) energy dissipation in impacts
(d) none

A128: (c) — ENERGY DISSIPATION IN IMPACTS

Q129: Third row element most prone to electron loss is:

(a) group one
(b) group two
(c) group thirteen
(d) group fourteen

A129: (a) — GROUP ONE

Q130: Least organic-incorporated nonmetal is:

(a) group fifteen
(b) group fifteen heavy
(c) group seventeen
(d) group sixteen heavy

A130: (d) — GROUP SIXTEEN HEAVY

Q131: Glucose breakdown yields as byproduct:

(a) diatomic oxygen
(b) single carbon gas
(c) dioxide carbon
(d) nitrogen waste

A131: (c) — DIOXIDE CARBON

Q132: Diamond excludes this trait:

(a) supreme durability
(b) charge conduction
(c) elevated fusion
(d) aerial combustion

A132: (b) — CHARGE CONDUCTION

Q133: Non-polymeric is:

(a) cellulose fiber
(b) fluoropolymer
(c) elastomer
(d) antibiotic

A133: (d) — ANTIBIOTIC

Q134: Atomic gain of negatives is:

(a) electron loss
(b) pH balance
(c) ion separation
(d) electron gain

A134: (d) — ELECTRON GAIN

Q135: Doubling gas compression at fixed heat halves:

(a) containment
(b) expansion
(c) constancy

A135: (b) — EXPANSION

Q136: Incompatible fluids:

(a) mutually insoluble
(b) intermixable
(c) multi-solvent
(d) reactive unstable
(e) nonexistent

A136: (a) — MUTUALLY INSOLUBLE

Q137: Least aqueous-dissolving is:

(a) tetrachloro carbon
(b) oxide sodium
(c) bromide magnesium
(d) phosphate potassium

A137: (a) — TETRACHLORO CARBON

Q138: Flow resistance in liquids is:

(a) surface pull
(b) particle spread
(c) internal drag

A138: (c) — INTERNAL DRAG

Q139: Critical heat denotes point where:

(a) vaporization impossible
(b) mass minimal
(c) phases coexist
(d) liquefaction impossible

A139: (d) — LIQUEFACTION IMPOSSIBLE

Q140: Optimal neutralizer for protonic acid is:

(a) hydroxide sodium
(b) dioxide silicon
(c) metal copper
(d) oxide phosphorus

A140: (a) — HYDROXIDE SODIUM

Q141: Duo acceptor is:

(a) proton donor
(b) hydroxide donor
(c) duo donor
(d) duo acceptor

A141: (d) — DUO ACCEPTOR

Q142: pH buffers exhibit:

(a) acid-base absorption with minor shift
(b) eternal constancy
(c) great stretch
(d) unusual mass

A142: (a) — ACID-BASE ABSORPTION WITH MINOR SHIFT

Q143: Solution vaporization exceeds solvent’s:

(a) solidification
(b) gas pressure
(c) heat
(d) vaporization

A143: (d) — VAPORIZATION

Q144: Crust’s eight percent component, ubiquitous in rocks save calcareous and siliceous, is:

(a) chalcogen
(b) trivalent metal
(c) alkali
(d) divalent

A144: (b) — TRIVALENT METAL

Q145: Resistant to atmospheric, aqueous, and acidic corrosion but soluble in royal mixture is:

(a) precious yellow
(b) precious white
(c) group two
(d) transition

A145: (a) — PRECIOUS YELLOW

Q146: Hemoglobin relies on which metal for function?

(a) trace red
(b) green leaf
(c) solder base
(d) rust former

A146: (d) — RUST FORMER

Q147: Heat measurement device quantifies:

(a) thermal capacity
(b) heaviness
(c) relative weight
(d) compactness

A147: (a) — THERMAL CAPACITY

Q148: Molar solid-to-liquid energy at fusion is:

(a) melt energy
(b) vapor energy
(c) heat storage
(d) fusion point

A148: (a) — MELT ENERGY

Q149: High-energy photons resemble diagnostic rays in:

(a) zero mass zero charge
(b) electric deflection
(c) core origin
(d) minimal power

A149: (a) — ZERO MASS ZERO CHARGE

Q150: Galvanization involves:

(a) group thirteen
(b) transition white
(c) liquid metal
(d) transition gray

A150: (b) — TRANSITION WHITE

Q151: Acidic traits include:

(a) slippery feel
(b) sour taste
(c) blue to red litmus
(d) conducts current

A151: (d) — CONDUCTS CURRENT

Q152: Highest caloric density biomolecule is:

(a) peptide chains
(b) lipid stores
(c) sugar units

A152: (b) — LIPID STORES

Q153: Orbital shape dictated by azimuthal quantum value:

(a) nuclear distance
(b) spin direction
(c) contour form
(d) spatial axes

A153: (c) — CONTOUR FORM

Q154: Nonmetal oxides feature bonds:

(a) lattice
(b) pair sharing
(c) charge
(d) donor sharing

A154: (b) — PAIR SHARING

Q155: Pb-206 terminates the decay chain of:

(a) thorium lineage
(b) actinium lineage
(c) uranium lineage
(d) neptunium lineage

A155: (c) — URANIUM LINEAGE

Q156: Freezing water:

(a) releases energy shrinks
(b) releases energy expands
(c) absorbs energy shrinks
(d) absorbs energy expands

A156: (b) — RELEASES ENERGY EXPANDS

Q157: Carbon linkages exclude:

(a) extended grids
(b) linear sequences
(c) charge bonds
(d) cyclic forms

A157: (c) — CHARGE BONDS

Q158: Toxic monoxide binds blood pigment due to:

(a) acid former
(b) hemoglobin complex
(c) oxygen depletion
(d) strong oxidizer

A158: (b) — HEMOGLOBIN COMPLEX

Q159: Maximizing gas dissolution requires:

(a) cool high compression
(b) warm high compression
(c) warm low compression
(d) cool low compression

A159: (a) — COOL HIGH COMPRESSION

Q160: Metallic sheen arises from free:

(a) positives
(b) charged
(c) neutrals
(d) negatives

A160: (d) — NEGATIVES

Q161: Radon uniqueness among radioactives is:

(a) extreme decay
(b) radium product
(c) inert nature
(d) reactive like halogen

A161: (c) — INERT NATURE

Q162: Quadrupling gas compression at constant heat scales volume by:

(a) four
(b) two
(c) half
(d) quarter

A162: (d) — QUARTER

Q163: Amorphous category includes:

(a) vitreous
(b) transition
(c) carbon allotrope
(d) halide crystal

A163: (a) — VITREOUS

Q164: Systems evolve toward:

(a) high power chaos
(b) high power order
(c) low power chaos
(d) low power order

A164: (c) — LOW POWER CHAOS

Q165: Carbonated drink release exemplifies:

(a) moisture absorption
(b) gas bubbling
(c) vapor formation
(d) solid to gas

A165: (b) — GAS BUBBLING

Q166: Direct solid to vapor transition is:

(a) melt
(b) gas direct
(c) liquid form
(d) fraction separate

A166: (b) — GAS DIRECT

Q167: Heaviest alkane molecule is:

(a) four carbon
(b) two carbon
(c) one carbon
(d) three carbon

A167: (a) — FOUR CARBON

Q168: White pigment oxide from:

(a) transition four
(b) blue metal
(c) magnetic
(d) green metal

A168: (a) — TRANSITION FOUR

Q169: Crystal water-trapping ability is:

(a) water loving
(b) moisture attracting
(c) water hating
(d) water selective

A169: (b) — MOISTURE ATTRACTING

Q170: Dispersed phase mixture is:

(a) fine mix
(b) dissolved
(c) settled
(d) dissolver

A170: (a) — FINE MIX

Q171: Solution exceeds solvent in:

(a) freeze
(b) gas press
(c) heat
(d) vaporize

A171: (d) — VAPORIZE

Q172: Polar entities around positive core are:

(a) binders
(b) variants
(c) clustered ions
(d) opposites

A172: (a) — BINDERS

Q173: Quadrupling gas force at steady heat scales volume by:

(a) four
(b) two
(c) half
(d) quarter

A173: (d) — QUARTER

Q174: Nucleus emitting positive boosts proton count by one via:

(a) heavy particle
(b) anti-electron
(c) light particle
(d) neutral ray

A174: (c) — LIGHT PARTICLE

Q175: Downward group, electron donation:

(a) enhances
(b) reduces
(c) unchanged

A175: (a) — ENHANCES

Q176: Organic solvent gravity is:

(a) equal hydrate
(b) below hydrate
(c) above hydrate

A176: (b) — BELOW HYDRATE

Q177: High-level peroxides pose:

(a) detonation risk
(b) proton rich
(c) hydroxide rich
(d) no risk

A177: (a) — DETONATION RISK

Q178: NaCl typifies:

(a) shared
(b) weak
(c) charged
(d) single

A178: (c) — CHARGED

Q179: In galvanic setup, copper to copper via meter reads zero, indicating:

(a) active metal
(b) liquid metal
(c) precious
(d) same copper

A179: (d) — SAME COPPER

Q180: Constant pressure processes are:

(a) heat fixed
(b) space fixed
(c) force fixed
(d) power fixed

A180: (c) — FORCE FIXED

Q181: Plant-preferred nitrogen form is:

(a) oxide two
(b) base gas
(c) oxide one
(d) oxo anion

A181: (d) — OXO ANION

Q182: Saturated aliphatic is:

(a) ring unsat
(b) single chain
(c) triple chain
(d) single cyclic

A182: (b) — SINGLE CHAIN

Q183: Premium coal is chiefly:

(a) swamp residue
(b) medium carbon
(c) hard carbon
(d) soft brown

A183: (c) — HARD CARBON

Q184: Spherical droplet shape from:

(a) nuclear strong
(b) weak attractions
(c) surface cohesion
(d) water pressure

A184: (c) — SURFACE COHESION

Q185: Metal at negative twenty in ice-water mix increases:

(a) solid ice
(b) no change
(c) liquid water

A185: (a) — SOLID ICE

Q186: Primary organic source is:

(a) fossil oil
(b) carbon rock
(c) methane source
(d) air dioxide

A186: (a) — FOSSIL OIL

Q187: Non-diatomic natural element is:

(a) fuel gas
(b) disinfectant
(c) inert
(d) breath gas

A187: (c) — INERT

Q188: Ore requiring current for isolation is:

(a) magnetic
(b) shiny
(c) red
(d) alkali

A188: (d) — ALKALI

Q189: Non-native metal is:

(a) precious white
(b) precious yellow
(c) precious gray
(d) light metal

A189: (d) — LIGHT METAL

Q190: Gases uncollectable over hydrate:

(a) inert five
(b) breath two
(c) fuel one
(d) acid halide

A190: (d) — ACID HALIDE

Q191: Least oxidizable metal is:

(a) precious white
(b) precious yellow
(c) group two
(d) transition

A191: (b) — PRECIOUS YELLOW

Q192: Heat-absorbing is:

(a) work performing
(b) energy releasing
(c) mass reducing
(d) energy taking

A192: (d) — ENERGY TAKING

Q193: Conjugated ring hydrocarbon is:

(a) single carbon
(b) hydroxyl carbon
(c) six ring
(d) amino acid

A193: (c) — SIX RING

Q194: Ethanol from grains in America via:

(a) black rock
(b) carbohydrate ferment
(c) wood alcohol
(d) sour ferment
(e) acid ferment

A194: (b) — CARBOHYDRATE FERMENT

Q195: Dissolved solid lowers solvent:

(a) solidification
(b) gas pressure
(c) unchanged
(d) can’t say

A195: (b) — GAS PRESSURE

Q196: Rotten odor compound is:

(a) proton sulfur
(b) decay amine
(c) sulfide hydrogen
(d) oxide sulfur

A196: (c) — SULFIDE HYDROGEN

Q197: Solution always has solvent as:

(a) dissolve water
(b) ionic dissolve
(c) ionic solvent
(d) dissolve water

A197: (d) — DISSOLVE WATER

Q198: Reaction speed influenced by:

(a) heat
(b) end concentration
(c) start concentration
(d) all

A198: (d) — ALL

Q199: Bicycle pump compression heats air by:

(a) cooling
(b) warming
(c) steady

A199: (b) — WARMING

Q200: Greek “atomos” signifies:

(a) tiny
(b) uncut
(c) hidden
(d) seen

A200: (b) — UNCUT

Q201: Reference heat is:

(a) zero Celsius
(b) zero absolute
(c) twenty-five Celsius
(d) thirty-two Celsius

A201: (a) — ZERO CELSIUS

Q202: Gas volume-temperature law by:

(a) electricity pioneer
(b) pressure law
(c) volume law
(d) atom combiner

A202: (c) — VOLUME LAW

Q203: Salts in water form:

(a) proton rich
(b) charge carriers
(c) fine dispersions
(d) oil mixes

A203: (b) — CHARGE CARRIERS

Q204: Inorganic proton donors are:

(a) organic acids
(b) mineral acids
(c) non-charge acids
(d) oxygen acids

A204: (b) — MINERAL ACIDS

Q205: Twenty grams water from forty to sixty Celsius needs:

(a) forty heat
(b) four hundred heat
(c) twenty heat
(d) two hundred heat

A205: (b) — FOUR HUNDRED HEAT

Q206: Unused for electricity production is:

(a) atomic split
(b) thermal ponds
(c) earth heat
(d) atomic join

A206: (d) — ATOMIC JOIN

Q207: Room disorder mirrors:

(a) heat content
(b) disorder measure
(c) fluid effect
(d) gas effect

A207: (b) — DISORDER MEASURE

Q208: Vinegar acid is:

(a) aromatic
(b) ant
(c) apple
(d) vinegar

A208: (d) — VINEGAR

Q209: Highest vaporization among:

(a) one carbon
(b) four chloride
(c) three chloride
(d) one chloride

A209: (b) — FOUR CHLORIDE

Q210: Hydrated mixture implies solvent:

(a) water solute
(b) salt solute
(c) salt solvent
(d) water solvent

A210: (d) — WATER SOLVENT

Q211: Reaction pace alters with:

(a) all
(b) none
(c) only two

A211: (a) — ALL

Q212: Alkyl magnesium halides named after:

(a) organometallic pioneer
(b) periodic maker

A212: (a) — ORGANOMETALLIC PIONEER

Q213: Osmosis entails:

(a) pure dissolver through barrier solutes block
(b) pure dissolved through barrier solvent block
(c) both through barrier
(d) vapors through to pressure

A213: (a) — PURE DISSOLVER THROUGH BARRIER SOLUTES BLOCK

Q214: Electrochemical bridge facilitates:

(a) charge movement
(b) negative flow
(c) charge block
(d) negative block

A214: (a) — CHARGE MOVEMENT

Q215: Carbonate calcium dissolves best in:

(a) carbonate sodium 0.2
(b) chloride calcium 0.1
(c) hydroxide sodium 0.1
(d) chloride hydrogen 0.1

A215: (d) — CHLORIDE HYDROGEN 0.1

Q216: Lowest vaporization inter-molecularly is:

(a) paraffin chain
(b) hydroxyl methyl
(c) amine methyl
(d) halide methyl

A216: (a) — PARAFFIN CHAIN

Q217: Maximal colligative impact from:

(a) divalent chloride
(b) monovalent chloride
(c) hexose
(d) aromatic

A217: (a) — DIVALENT CHLORIDE

Q218: Gas solubility rises with water heat for:

(a) light inert
(b) atmosphere
(c) dioxide
(d) light gas

A218: (a) — LIGHT INERT

Q219: Naphthalene carbons:

(a) six
(b) eight
(c) ten
(d) fifteen

A219: (c) — TEN

Q220: Salad dressing is:

(a) fine dispersion
(b) solid oil
(c) pair solution
(d) merge solution

A220: (a) — FINE DISPERSION

Q221: Osmotic differential in molar mixtures stems from:

(a) gas constant variance
(b) particle count variance
(c) charge or split
(d) none

A221: (c) — CHARGE OR SPLIT

Q222: Molecular lattice is:

(a) transparent
(b) ice crystal
(c) metallic
(d) halide

A222: (b) — ICE CRYSTAL


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