Chemistry Practice Tests 1

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Chemistry Practice Test 1

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1 / 100

Category: Chemistry Ch 5 Class 11

Which of the following quantum numbers are for p-subshell?

a

b

c

d

2 / 100

Category: Chemistry Ch 13 Class 12

Reagent used to reduce a carboxylic acid to an alkane is:

NUMS 2019 Reconduct
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Ni / H2

B) NaBH4

C) P / HI

D) LiAlH4

3 / 100

Category: Chemistry Ch 13 Class 12

Fatty Acids are:

Aliphatic Monocarboxylic Acids

Obtained from sugars

Contain a suffix "al"

With low boiling point

4 / 100

Category: Chemistry Ch 1 Class 11

The relative abundance of isotopes of elements are measured by?

PMC Practice 11
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Atomic spectroscopy

B) Ionic spectroscopy

C) Mass spectroscopy

D) Mass spectrometry

5 / 100

Category: Chemistry Ch 4 Class 11

Vapor pressure depends on:

Intermolecular forces

Quantity of liquid

Site of the molecules

Surface area

Both a and d

6 / 100

Category: Chemistry Ch 14 Class 12

Industrially water gas is converted into methanol by using catalyst:

NUMS 2019 Reconduct
Chemistry
Macromolecules
Elimination Tool:

A) CuO + ZnO

B) CuO + Cr2O3

C) Al2O3+ ZnO

D) ZnO + Cr2O3

7 / 100

Category: Chemistry Ch 2 Class 12

Which one of the following is a common mineral of calcium? a

Feldspar

Limestone

Diamond

None of these

8 / 100

Category: Chemistry Ch 12 Class 12

Metaformaldehyde is a result of?

Condensation

Reduction

Polymerization

Oxidation

9 / 100

Category: Chemistry Ch 5 Class 11

When B- particles are sent through a thin metal foil, most of them go straight through the foil as:

NTS 2017
Chemistry
Atomic Structure
Elimination Tool:

A) B- particles are much heavier than electrons

B) B- particles are positively charged

C) Most part of the atom is empty space

D) B- particles move with high velocity

10 / 100

Category: Chemistry Ch 14 Class 12

Which of the following is an addition polymer?

NUMS 2019 Reconduct
Chemistry
Macromolecules
Elimination Tool:

A) Polyester

B) Epoxy resins

C) Acrylic resins

D) Polyamides

11 / 100

Category: Chemistry Ch 6 Class 11

GN lewis described which one of the following bonds?

NTS 2015 SMBBMC
Chemistry
Chemical Bonding
Elimination Tool:

A) Ionic bond

B) covalent bond

C) coordinate covalent bond

D) all of the above

12 / 100

Category: Chemistry Ch 3 Class 12

Which of the following transition metals in its ground state have unpaired electrons in an s-orbital?

NUMS 2015
Chemistry
d and f Block Elements
Elimination Tool:

A) Cr

B) Co

C) Fe

D) Cu

13 / 100

Category: Chemistry Ch 1 Class 12

The binding energy of transition metal increases upto group:

NUMS 2020
Chemistry
Periodicity in Elements
Elimination Tool:

A) IIB

B) IVB

C) IIIB

D) VIB

14 / 100

Category: Chemistry Ch 11 Class 12

Alkoxicies react with alkyl halide to form? a

Ether

Ester

Carboxylic acid

alcohol

15 / 100

Category: Chemistry Ch 1 Class 12

The chemical formula of chromyl chloride gas is?

NTS 2016 SMBBMC
Chemistry
Periodicity in Elements
Elimination Tool:

A) Cr2O3

B) CrO2Cl2

C) CrOCl2

D) CrCl3

16 / 100

Category: Chemistry Ch 9 Class 11

Boiling point constants help us to determine:

UHS 2012
Chemistry
Solution and Colloids
Elimination Tool:

A) Molar masses

B) Volumes

C) Pressures

D) Masses

17 / 100

Category: Chemistry Ch 8 Class 12

In which of the following cases are the benzene rings isolated?

PreMedPK MDCAT Mock 2
Chemistry
Hydrocarbons
Elimination Tool:

A) Naphthalene

B) Phenanthrene

C) Anthracene

D) Triphenylmethane

18 / 100

Category: Chemistry Ch 15 Class 12

Burning of which one of the following waste is considered as useful industrial fuel or to produce electricity

UHS 2015
Chemistry
Industrial Chemistry
Elimination Tool:

A) Metals

B) Grass

C) Paper

D) Plastic

19 / 100

Category: Chemistry Ch 10 Class 12

Ninhydrin reacts with an amino acid to form a product that has the colour:

NUMS 2015
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Blue

B) Violet

C) Bluish violet

D) Red

20 / 100

Category: Chemistry

Q.152 Enzymes are in nature.

A. Proteins

B. Carbohydrates

C. Lipids

D. Nucleic acid

21 / 100

Category: Chemistry

An ionic compound is most likely to be formed when:

NUMS Mock 1
Chemistry
Chemical Bonding

A) Ionization energy of A is high but electron affinity of B is low

B) The ionization energy of A is low but electron affinity of B is high

C) Both ionization energy of A and electron affinity of B are high

D) Both ionization energy of A and electron affinity of B are low

22 / 100

Category: Chemistry Ch 8 Class 11

A very small value of ‘Kc’ for a reaction at equilibrium indicates:

NUMS 2018
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Very small amount of reactants

B) Very small amount of products

C) The rate of backward reaction is greater than that of the forward one

D) The rate of forward reaction is greater than that of the backward one

23 / 100

Category: Chemistry Ch 13 Class 12

Hydrolysis of acyl chloride results in the formation of:

PMC 2020
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Acid anhydride

B) Carboxylic acid

C) Amides

D) Esters

24 / 100

Category: Chemistry Ch 3 Class 12

Ability of carbon to form long chains and rings is known as?

Catenation

Supplementation

Adulteration

Addition

25 / 100

Category: Chemistry Ch 7 Class 12

Example of nucleophile is:

NUMS 2017
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) BF3

B) SO3

C) AlCl3

D) CN

26 / 100

Category: Chemistry

The shielding effect of inner electrons is responsible for:

NUMS Mock 3
Chemistry
Atomic Structure

A) Decreasing ionization energy

B) Having no effect on ionization energy

C) Increasing ionization energy

D) Increasing electronegativity

27 / 100

Category: Chemistry

Q.121 The lost in globular structure of enzyme is called ___________ of enzyme

A. Activation

B. Concentration

C. Saturation

D. Denaturation

28 / 100

Category: Chemistry Ch 15 Class 12

The increasing number of CFC production for industrial use has been a major contributor to the depletion of ozone molecules in the stratosphere. When CFCs diffuses slowly to the atmosphere in the presence of UV light between 175 nm to 220 nm, the ozone layer decomposes. If 1 mole of CFCl3 (Freon – 110) has been released into the air, how many moles of oxygen is produced from the photodecomposition of ozone?

NUMS 2019 Cancelled
Chemistry
Environmental Chemistry
Elimination Tool:

A) 1

B) 2

C) 3

D) 4

29 / 100

Category: Chemistry Ch 5 Class 11

Electronic configuration of M2+ ion is 2, 8, 14 and its atomic weight is 56 amu. The number of neutrons in its nucleus are:

NTS 2017
Chemistry
Atomic Structure
Elimination Tool:

A) 30

B) 32

C) 42

D) 52

30 / 100

Category: Chemistry Ch 11 Class 12

Primary, Secondary Tertiary alcohols can be distinguished by Lucas test in which .. appear

oily Layer

Brown color

Both a and b

None of these

31 / 100

Category: Chemistry

Which of the following does not give iodoform test?

NUMS Mock 1
Chemistry
Aldehydes and Ketones

A) Ethanol

B) Ethanal

C) Acetophenone

D) Benzophenone

32 / 100

Category: Chemistry Ch 10 Class 12

R-X on reaction with alcohols form:

PMC 2020
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) R-OH

B) ROR

C) R-X-OH

D) RH

33 / 100

Category: Chemistry

Q.169 The oxidation number of Nickel in [Ni(CO)A] is

A. 2

B. 8

C.6

D.4

34 / 100

Category: Chemistry Ch 11 Class 12

Treatment of ethene with cold sulphuric acid, followed by reaction with boiling water, yields:

UHS 2019
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) Ethane

B) Ethanal

C) Ethanol

D) Ethyne

35 / 100

Category: Chemistry Ch 7 Class 12

In alkanes, each carbon has hybridization:

PMC 2020
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) sp3

B) sp

C) sp2

D) dsp

36 / 100

Category: Chemistry Ch 6 Class 12

lanthanide Contraction is phenomenon of block :

f block

s block

d block

P block

37 / 100

Category: Chemistry Ch 5 Class 12

Fluorine Is reactive due to its:

Low Ionization potential

Low dissociation energy

Low electro negativity

Large size

38 / 100

Category: Chemistry Ch 13 Class 12

The carbonic acid which Is named after butter is:

Capric acid

Enanthic acid

Butyric Acid

Formic acid

39 / 100

Category: Chemistry

While finding the relative atomic mass, which of the following standard is used to compare the atomic mass of chlorine (35.5 amu)

NUMS Mock 1
Chemistry
Stoichiometry

A) Carbon – 13

B) Neon – 20

C) Carbon – 12

D) Nucleon number

40 / 100

Category: Chemistry Ch 7 Class 12

Wohler prepared urea from:

Bakelite

Cyanic acid

NH4CNO

Formaldehyde

41 / 100

Category: Chemistry Ch 6 Class 11

In period, moving from left to right

Electro negativity decreases

ElectronegativIty Increases

Electro negativity remains same

None of these

42 / 100

Category: Chemistry

Q.178 Which type of bonds are break during cracking?

A. C-C

B.C-H

C. Both C-C and C-H

D. C-O

43 / 100

Category: Chemistry Ch 9 Class 12

The bond angles in benzene ring are:

PMC Sample 1
Chemistry
Hydrocarbons
Elimination Tool:

A) 90˚

B) 60˚

C) 120˚

D) 180˚

44 / 100

Category: Chemistry

Q.120 Which of the following has six isotopes

A. Palladium

B Tin

C. Cadmium

D. Carbon

45 / 100

Category: Chemistry Ch 9 Class 11

The compound with more than 10% solubility in pure water is:

ETEA 2018
Chemistry
Solution and Colloids
Elimination Tool:

A) M???3

B) A?2(??3)3

C) K2??3

D) ????3

46 / 100

Category: Chemistry

A certain radioactive isotope has a half-life of 50 days. Fraction of the material left behind after 100 days will be:

NUMS Mock 2
Chemistry
Analytical Chemistry

A) 125%

B) 25%

C) 50%

D) 100%

47 / 100

Category: Chemistry

Q.71 Glycerol can also be termed as

A.1-butanol

B. 1,2,3-propanetrio

C.2-methyl – propanol

D. Isobutyl alcohol

48 / 100

Category: Chemistry Ch 4 Class 11

Carbon dioxide is an Example of?

PMC Practice 4
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Ionic Solid

B) Metallic Solid

C) Molecular Solid

D) Covalent Solid

49 / 100

Category: Chemistry Ch 11 Class 11

Metaboric acid when heated produces:

NTS 2016 DUHS & JSMU
Chemistry
Acids, Bases and Salts
Elimination Tool:

A) B2O3

B) HBO2

C) H2B4O7

D) H3BO3

50 / 100

Category: Chemistry Ch 1 Class 12

Smallest element in the periodic table is?

Hydrogen

Fluorine

Lithium

Uranium

51 / 100

Category: Chemistry Ch 1 Class 12

Magnesium oxide is used in the making of the lining of blast furnaces. It is extracted from seawater as follows. Aqueous calcium hydroxide is added to seawater.

Ca(OH)2 (aq) + MgCl2 (aq) + Mg(OH)2 (s) + CaCl2 (aq)

The magnesium hydroxide is then filtered off and roasted.

Which of the following comparisons between calcium and magnesium explains why magnesium hydroxide forms?

NTS 2013
Chemistry
Periodicity in Elements
Elimination Tool:

A) Magnesium is less electropositive than calcium.

B) Magnesium is lower than calcium in the reactivity series

C) The enthalpy change of hydration for Mg2+is less exothermic than for Ca2+

D) The solubility product for Mg(OH)2is lower than that for Ca(OH)2

52 / 100

Category: Chemistry Ch 16 Class 12

Which of the following causes suffocation?

S02

CO2

Fog

All of these

53 / 100

Category: Chemistry Ch 11 Class 12

Which of the following is not a physical property of ethers?

PreMedPK MDCAT Mock 3
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) They are usually volatile liquids

B) Show weak hydrogen bonding

C) They are highly flammable with low boiling points

D) It is poisonous and is used as a disinfectant in hospitals

54 / 100

Category: Chemistry Ch 6 Class 11

Ionic, covalent and co-ordinate covalent bonds are simultaneously present in the molecular geometry of:

NTS 2017
Chemistry
Chemical Bonding
Elimination Tool:

A) Ammonia

B) Ammonium hydroxide

C) Hydrochloric acid

D) Water

55 / 100

Category: Chemistry

Reaction of water with quicklime results in the rise in the temperature of the system. Using the concept of an energy change, indicates the nature of the reaction?

NUMS Mock 1
Chemistry
Thermochemistry

A) Endothermic Reaction

B) Non spontaneous Reaction

C) Third Order Reaction

D) Exothermic Reaction

56 / 100

Category: Chemistry

Which one of the following is not an isotope of hydrogen:

NUMS Mock 2
Chemistry
Atomic Structure

A) Deuterium

B) Tritium

C) Ortho hydrogen

D) None of these

57 / 100

Category: Chemistry Ch 7 Class 11

Which of the following has the maximum specific heat?

Copper

Aluminium

Iron

Ice

58 / 100

Category: Chemistry Ch 9 Class 11

Which of the following Is the smallest unit?

Molarity

Molality

PPM

Mole Fraction

59 / 100

Category: Chemistry Ch 8 Class 12

Which metal is used to form alkanes from alkyl halides?

Zn

N

Both a and b

None of these

60 / 100

Category: Chemistry

Strongest acid among the following is:

NUMS Mock 3
Chemistry
Carboxylic Acids and its Derivatives

A) HCOOH

B) CH3COOH

C) (CH3)2 CHCOOH

D) (CH3)3CCOOH

61 / 100

Category: Chemistry Ch 4 Class 11

Calculate the root mean square speed of He atoms at 295 K?

NUMS 2019 Cancelled
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) 34 cm/s

B) 3.6 x 104cm/s

C) 136000 cm/s

D) 63 cm/s

62 / 100

Category: Chemistry Ch 8 Class 11

A correct formula must:

NTS 2017
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Be balanced with proper coefficients

B) Always have subscripts

C) Always conform to the valency rules

D) Always conforms to the law of multiple proportions

63 / 100

Category: Chemistry Ch 7 Class 11

The enthalpy change accompanying the gain of an electron by a neutral gaseous atom to form a negative ion is called:

NTS 2010
Chemistry
Thermochemistry
Elimination Tool:

A) Ionization potential

B) Electronegativity

C) Electron affinity

D) Lattice energy

64 / 100

Category: Chemistry Ch 3 Class 12

Electronic configuration of chromium (Proton number 24) is:

PMC 2020
Chemistry
d and f Block Elements
Elimination Tool:

A) [Ar] 3d4 4s2

B) [Ar] 3d5 4s2

C) [Ar] 3d5 4s1

D) [Ar] 3d5 4s2

65 / 100

Category: Chemistry Ch 1 Class 11

Spectrometry is used when reactants and products absorb _____.

PMC Practice 7
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Ultraviolet radiations

B) Visible radiation

C) Infrared radiation

D) All of these

66 / 100

Category: Chemistry

An electron is suited midway between two parallel plates 0.5cm apart. One of the plates is maintained at a potential of 60 volts above the other. The force on the electron is (e=-1.6×10-19)

NUMS Mock 4
Physics
Electrostatics

A) 1.82×10-15 N

B) 3.00×10-16 N

C) 1.92×10-15 N

D) 3.00×10-15 N

67 / 100

Category: Chemistry Ch 8 Class 12

Physical properties of Ethyne is/are:

PreMedPK MDCAT Mock 3
Chemistry
Hydrocarbons
Elimination Tool:

A) It is colourless gas with a sweet smell.

B) It is sparingly soluble in water.

C) It is less dense than air.

D) It explodes on compression to a liquid because of unstable nature.

E) All of the above

68 / 100

Category: Chemistry Ch 7 Class 11

Burning of fuel is a

Endothermic

Exothermic

Both a & b

None of these

69 / 100

Category: Chemistry Ch 6 Class 11

The raindrop acquires a spherical shape and ink spread over blotting paper due to:

NTS 2010
Chemistry
Chemical Bonding
Elimination Tool:

A) Surface tension

B) Adhesive forces

C) Viscosity

D) Polarity

70 / 100

Category: Chemistry Ch 1 Class 12

Outer transition elements belong to

NTS 2013
Chemistry
Periodicity in Elements
Elimination Tool:

A) s-block

B) p-block

C) d-block

D) f-block

71 / 100

Category: Chemistry Ch 8 Class 11

Common Ion effect is useful application in?

NTS 2015 SMBBMC
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Qualitative salt analysis

B) quantitative salt analysis

C) both A and B

D) none of the above

72 / 100

Category: Chemistry Ch 9 Class 11

Colligative Properties depend upon: a

Solute

Solvent

Both a and b

None of these

73 / 100

Category: Chemistry Ch 10 Class 11

During oxidation process, oxidation number of an element:

PMC 2020
Chemistry
Electrochemistry
Elimination Tool:

A) Decreases

B) Increases

C) Remains constant

D) Both decreases and increases

74 / 100

Category: Chemistry Ch 10 Class 12

What substrates are required to add a NO2 group to benzene?

NTS 2013
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Concentrated HNO3/Concentrated H2SO4/100˚C

B) Concentrated HNO3/Concentrated H2SO4/50˚C

C) Concentrated HNO3/50˚C

D) Concentrated HNO3/100˚C

75 / 100

Category: Chemistry

Q.135 If pressure and volume of a gas are Variable while temperature remains constant, this belongs to

A. Charles's law

B. Boyle's law

C. Avogadro's law

D. Pascal's law

76 / 100

Category: Chemistry Ch 12 Class 12

Oxidation of alcohol converts it into?

Aldehyde

Tertiary Alcohol

Alkane

Carboxylic Acid

77 / 100

Category: Chemistry Ch 1 Class 12

Maximum ionization potential is of:

NUMS 2014
Chemistry
Periodicity in Elements
Elimination Tool:

A) Ca

B) Na

C) Be

D) Mg

78 / 100

Category: Chemistry Ch 2 Class 11

C12H22O11+ conc. H2SO4—> 12 C + ? + H2SO4

NTS 2016 SMBBMC
Chemistry
Stoichiometry
Elimination Tool:

A) 11 H2O

B) 11 O2

D) 11 H2

C) 11 CO2

79 / 100

Category: Chemistry

Q.161 Which one of the following has positive value?

A. Heat lost by the system

B. Work done on the system

C. Work done by the system

D. Positive AE when heat lost by the system

80 / 100

Category: Chemistry Ch 7 Class 12

Which of the following intermediate has the complete octet around the carbon atom.

NUMS 2018
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Free radical

B) Carbanion

C) Carbonium ion

D) None of these

81 / 100

Category: Chemistry Ch 3 Class 11

Rate of effusion of a gas depends upon:

NUMS 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) size of pin hole

B) pressure

C) temperature

D) molecular mass

E) all of above

82 / 100

Category: Chemistry Ch 12 Class 12

Methyl Magnesium Bromide reacts with formaldehyde. The product will be:

Methyl Alcohol

Acetone

Ethyl Alcohol

Ethane

83 / 100

Category: Chemistry Ch 8 Class 12

Formula of Thionyl chloride is

SCI3

S2Cl2

SOCl2

SOCI3

84 / 100

Category: Chemistry

Q.90 Which of the following propefties belong to acetic acid?

A. Colourless liquid, odourless, sour taste

B. Bright colour bituer taste

C.Colourless solid, sour taste, pungent smell

D. All are incórreet

85 / 100

Category: Chemistry Ch 3 Class 11

The internal energy of an ideal gas depends upon its:

NTS 2016 DUHS & JSMU
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Molecular size

B) Pressure only.

C) Volume only

D) Temperature only

86 / 100

Category: Chemistry Ch 16 Class 12

Which of the following gases has least concentration in air a

02

H2

He

CO2

87 / 100

Category: Chemistry Ch 16 Class 12

Global scale SO2 is produced by

Combustion

Fossil fuels

Volcano

None of these

88 / 100

Category: Chemistry Ch 7 Class 11

The enthalpy of certain reactions at 273 K is -20.75 kJ. The enthalpy of the same reaction at 373 K (if heat capacities of reactants and products are the same) will be:

NTS 2017
Chemistry
Thermochemistry
Elimination Tool:

A) －20.75 kJ

B) -2075 kJ

C) Zero

D) －20.75 x 373/273 kJ

89 / 100

Category: Chemistry

Q.116 Phenol does not evolve CO2 from NaHCO3 like carboxylic acids because phenol is

A. Stronger acid than carboxylic acid

B. Strong acid than carbonic acid

C. Weaker acid than carboxylic acid

D. Aromatic in nature

90 / 100

Category: Chemistry Ch 1 Class 12

Hydrogen resembles the elements of groups:

NTS 2019
Chemistry
Periodicity in Elements
Elimination Tool:

A) I-A, V-A and VIll-A

B) I-A, IV A and Vl-A

C) I-A, II-A and VIl-A

D) I-A, IV-A and VIl-A

91 / 100

Category: Chemistry Ch 11 Class 12

Phenol has all characters except?

Can be reduced to benzene

Insoluble in water

Acidic in nature

Used as a disinfectant

92 / 100

Category: Chemistry Ch 1 Class 11

Physical and chemical properties of an element depend upon

Atomic mass only

Atomic number only c

Atomic mass and atomic number respectively

Atomic number and atomic mass respectively

93 / 100

Category: Chemistry Ch 7 Class 12

Which of the following is/are organic?

Protein

Carbohydrates

Both a and b

None of these

94 / 100

Category: Chemistry Ch 5 Class 12

Which of the following has highest boiling point?

He

Ne

Ar

Kr

95 / 100

Category: Chemistry Ch 6 Class 11

Dipole moment of H2 is:

1.03

) 1.45

0.78

0

96 / 100

Category: Chemistry Ch 5 Class 11

Which of the following is the electronic configuration of 19K?

NUMS 2016
Chemistry
Atomic Structure
Elimination Tool:

A) 1s2, 2s2, 2p6, 3s2, 3p6, 4s2

B) 1s2, 2s2, 2p6, 3s2, 3p6, 3s2, 3d1

C) 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d5

D) 1s2, 2s2, 2p6, 3s2, 3p6, 4s1

97 / 100

Category: Chemistry Ch 1 Class 12

6th period of periodic table contains elements:

26

21

32

7

98 / 100

Category: Chemistry Ch 4 Class 11

Which of the following bonds Is the weakest?

Ionic

Covalent

Dative Covalent

Hydrogen bonding

99 / 100

Category: Chemistry

Q.5 Allotropes are of same

A. Compounds

B. Molecules

C. Ions

D. Element

100 / 100

Category: Chemistry Ch 7 Class 11

Born Haber cycle is used to determine:

PMC 2020
Chemistry
Thermochemistry
Elimination Tool:

A) Electron affinity

B) Lattice energy

C) Crystal energy

D) All of the above

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