Chemistry Practice Tests 1

Chemistry Practice Test 1

Chemistry Practice Test 1 is designed to help students strengthen their understanding of key chemistry concepts, formulas, and reactions for competitive entry tests like MDCAT, NUMS, AKU, UET, ECAT, NTS, as well as FSC Board Exams. This test covers topics from physical chemistry, atomic structure, chemical bonding, and periodic table concepts, helping students improve accuracy and problem-solving skills.

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Chemistry Practice Test 1

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1 / 100

Category: Chemistry Ch 11 Class 12

Alkyl groups In ethers are connected by?

An oxygen atom

A carbon atom

A nitrogen atom

A benzene ring

2 / 100

Category: Chemistry Ch 5 Class 11

The radius of the third Bohr orbit is:

NTS 2016 DUHS & JSMU
Chemistry
Atomic Structure
Elimination Tool:

A) 0.529 Å

B) 0.529 / 4 Å

C) 0.529 x 2 Å

D) 0.529 x 32 Å

3 / 100

Category: Chemistry Ch 4 Class 11

Water has maximum density at:

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

A) -4 C

B) – 1 C

C) 0 C

D) 4 C

4 / 100

Category: Chemistry Ch 8 Class 11

Equilibrium constant has no units if?

The number moles are same on both sides of the chemical equation

The number of moles is different on both sides.

The number of moles is greater in the product

If the rate of reaction is constant

5 / 100

Category: Chemistry

Which derivative of benzene shows maximum reactivity in electrophilic substitution reactions?

NUMS Mock 1
Chemistry
Hydrocarbons

A) Benzoic acid

B) Methyl benzene

C) Benzaldehyde

D) Nitrobenzene

6 / 100

Category: Chemistry Ch 14 Class 12

) Nylon 6 —6 Is obtained by heating adipic acid with:

Hexethylene Diamine

Hexmethylene Diamine

hexmethylene amine

hexdimethylene diamine

7 / 100

Category: Chemistry Ch 9 Class 11

The pH of a solution can be kept constant by:

2022 PMC Test 2
Chemistry
Solution and Colloids
Elimination Tool:

A) saturated solution

B) super saturated solution

C) buffer solution

D) dilute solution

8 / 100

Category: Chemistry Ch 8 Class 11

If concentration of OH- Ions Is 0.1 molar. What Is the pH of the solution?

9 / 100

Category: Chemistry

Which of the following shows the Planck’s quantum theory?

NUMS Mock 3
Chemistry
Atomic Structure

A) E = hcv

B) E = c/v

C) E = cv

D) None of these options are correct

10 / 100

Category: Chemistry Ch 11 Class 12

Which of the following compounds will give a secondary alcohol after reaction with NaBH4?

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

A) CH3COCH3

B) CH3COOCH3

C) CH3CH2CHO

D) CH3CH2COOH

11 / 100

Category: Chemistry Ch 12 Class 12

During oxidation of unsymmetrical ketones which atom is oxidized?

PreMedPK MDCAT Mock 5
Aldehydes and Ketones
PMC Practice 28
Elimination Tool:

A) Carbonyl carbon

B) Carbon attached to smaller number of hydrogen atom

C) Carbon attach to larger number of hydrogen atoms

D) Hydrogen

12 / 100

Category: Chemistry Ch 10 Class 12

The only o, p−directing group which is deactivating in nature is:

NTS 2014
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) -NH2

B) -OH

C) -X (halogens)

D) -R (alkyl groups)

13 / 100

Category: Chemistry Ch 14 Class 12

For which mechanism the first step involved is the same?

NTS 2016 DUHS & JSMU
Chemistry
Macromolecules
Elimination Tool:

A) E1 and E2

B) SN1 and E2

C) E1 and SN2

D) E1 and SN1

14 / 100

Category: Chemistry

Which of the following will not undergo aldol condensation?

NUMS Mock 2
Chemistry
Aldehydes and Ketones

A) Acetaldehyde

B) Propanaldehyde

C) Benzaldehyde

D) Trideuteroacetaldehyde

15 / 100

Category: Chemistry Ch 15 Class 12

Which in not woody raw material

Poplar

) Hard wood

Fir

Rag

16 / 100

Category: Chemistry

Q.76 Choose the incorrect statement

A. The unit of rate of reaction is mol dm–3s–1

B. The unit of rate constant depends on the order of reaction

C. Rate constant changes as the reaction proceeds

D. Rate of reaction changes with passage of time

17 / 100

Category: Chemistry Ch 10 Class 11

Which of the methods to prevent corrosion?

PMC Sample 3
Chemistry
Electrochemistry
Elimination Tool:

A) Alloying two metals

B) Coating the surface with less reactive metal

C) Painting the surface with a dye

D) All

18 / 100

Category: Chemistry Ch 15 Class 12

In the atmosphere, CO2is about?

NUMS 2018
Chemistry
Environmental Chemistry
Elimination Tool:

A) 0.01 %

B) 0.03 %

C) 0.05 %

D) 0.09 %

19 / 100

Category: Chemistry Ch 2 Class 12

Which of the following is not true about caustic soda? a) It causes painful burns c) It is manufactured by Costner—Kellner process e) Both b and d

) It causes painful burns

It is manufactured by Costner—Kellner process

Both b and d

b) It has purgative smell

d) It is used os on anti-acid

20 / 100

Category: Chemistry Ch 8 Class 11

The Ksp of AgCl is 2.0 x 10^-10-1010 mol2dm-6 . The maximum concentration of Ag+ ions:

NUMS 2015
Chemistry
Chemical Equilibrium
Elimination Tool:

A) 2.0 x 10-10mol.dm-6

B) 1.41 x 10-5mol.dm-3

C) 1.0 x 10-5mol.dm-3

D) 4.0 x 10-20mol.dm-3

21 / 100

Category: Chemistry Ch 11 Class 12

The method which is used on an industrial scale for production of alcohol from alkene is:

PreMedPK MDCAT Mock 2
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) Hydrohalogenation of alkenes

B) Dehydration of alkenes

C) Hydration of alkenes

D) Hydroxylation of alkenes

22 / 100

Category: Chemistry

Q.85 Along period of periodic table, shielding effect

A. Increases

B. Decreases

C. Remains constant

D. First increases then decrease

23 / 100

Category: Chemistry Ch 8 Class 11

A reaction with a tendency of occurring in forward and backward direction simultaneously is termed as

PMC Sample 2
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Irreversible

B) Unidirectional

C) Multidirectional

D) Reversible

24 / 100

Category: Chemistry Ch 13 Class 12

) Acetic acid is used in making

Leather shoes

Rubber shoes

Plastic shoe

None of thes

25 / 100

Category: Chemistry

The enthalpy change of the reaction

H2(g) + ½ O2 -> H2O (l)

under standard conditions is:

NUMS Mock 1
Chemistry
Thermochemistry

A) Enthalpy change of formation of water

B) Enthalpy change of neutralization

C) Both; Enthalpy change of combustion of Hydrogen and enthalpy change of formation of water

D) Enthalpy change of combustion of Hydrogen

26 / 100

Category: Chemistry

Example of a nucleophile is:

NUMS Mock 1
Chemistry
Fundamental Principles of Organic Chemistry

A) BF3

B) AlCl3

C) SO3

D) CN

27 / 100

Category: Chemistry

Q.143 Which one of the following benzene molecules have?

A. Two double bonds

B. Delocalized pi-electron charge

C. Three double bonds

D. One sigma bond

28 / 100

Category: Chemistry Ch 4 Class 11

Which one of the following is an example of covalent solid?

NaCI

Diamond

Mercury

All of these

29 / 100

Category: Chemistry Ch 14 Class 12

Common name of Octadecanoic acid is:

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

A) Propionic acid

B) Stearic acid

C) Palmitic acid

D) Formic acid

30 / 100

Category: Chemistry Ch 13 Class 12

Which one will act as a strong acid?

UHS 2018
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Chloroethanoic acid

B) Ethanoic acid

C) Trichloroethanoic acid

D) Dichloroethanoic acid

31 / 100

Category: Chemistry Ch 10 Class 12

SN2 can be best carried out with:

NUMS 2015
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Primary alkyl halide

B) Secondary alkyl halide

C) Tertiary alkyl halide

D) All of the above

32 / 100

Category: Chemistry Ch 16 Class 12

Which of the following gases has least concentration in air a

CO2

33 / 100

Category: Chemistry

Q.119 Caustic Soda is made by electrolysis of concentrated solution of NaCI in

A. Nelson's Cell

B. Hg-Cell

C. Castner Kellner Cell

D. All of these

34 / 100

Category: Chemistry

Which is not a meta directing group:

NUMS Mock 1
Chemistry
Fundamental Principles of Organic Chemistry

A) -NO2

B) -COOH

C) -NH2

D) -COR

35 / 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

36 / 100

Category: Chemistry Ch 10 Class 11

The hydrogen gas bubbling into one molar solution of HCl has a pressure of

PMC Sample 3
Chemistry
Electrochemistry
Elimination Tool:

A) 2atm

B) 780 mmHg

C) 19 Psi

D) 1 atm

37 / 100

Category: Chemistry

The formula which shows the simplest whole number ratio for the atoms of different elements in a compound is:

NUMS Mock 1
Chemistry
Stoichiometry

A) Ionic formula

B) Structural formula

C) Empirical formula

D) Molecular formula

38 / 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

39 / 100

Category: Chemistry Ch 7 Class 12

Carbonyl group is present in

Glycol

Glycerol

Dihydrid alcohol

None of these

40 / 100

Category: Chemistry Ch 9 Class 12

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

NUMS 2015
Chemistry
Hydrocarbons
Elimination Tool:

A) Naphthalene

B) Phenanthrene

C) Anthracene

D) Triphenylmethane

41 / 100

Category: Chemistry Ch 8 Class 12

KOLBE’s method is used to prepare?

Ethane

Ethene

Ethyne

All of these

42 / 100

Category: Chemistry Ch 7 Class 12

Which of the following compounds has the empirical formula, (CH2O) and reacts with sodium hydroxide?

NUMS 2019 Cancelled
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Carbonic acid

B) Ethanol

C) Acetic acid

D) Methanoic acid

43 / 100

Category: Chemistry Ch 10 Class 12

Elimination from 2 – bromobutane results in:

NUMS 2018
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Equimolar mixture of 1 and 2 – butene

B) Predominantly 2 – butene

C) Predominantly 1- butane

D) 2 – butyne

44 / 100

Category: Chemistry Ch 11 Class 12

The compound ‘leaf alcohol’ is partly responsible for the smell of new – mown grass

CH3CH2CH=CHCH2CH2OH

Leaf alcohol

Which two compounds will be formed when ‘leaf alcohol’ is oxidized using hot, concentrated manganate (VII) ions?

PreMedPK MDCAT Mock 2
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) CH3CO2H and HOCH2CH2CH2CO2H

B) CH3CO2H and HO2CCH2CH2CO2H

C) CH3CH2CO2H and HO2CCH2CO2H

D) CH3CH2CO2H and HOCH2CH2CO2H

45 / 100

Category: Chemistry Ch 11 Class 12

The aromatic compound having the functional group “OH” attached to It Is?

Carbolic acid

Phenol

Alcohol

None

46 / 100

Category: Chemistry

Catalytic hydrogenation of alkenes exhibits:

NUMS Mock 2
Chemistry
Hydrocarbons

A) Substitution reaction

B) Elimination reaction

C) Addition reaction

D) Condensation reaction

47 / 100

Category: Chemistry Ch 4 Class 11

Increasing the temperature of a liquid will decrease all except:

Surface tension

Density

Viscosity

Vapor pressure

48 / 100

Category: Chemistry Ch 14 Class 12

Which of the following can he used as a source of energy

Lipids

Carbohydrates

Both a and b

None of these

49 / 100

Category: Chemistry Ch 6 Class 11

Which one of these is paramagnetic?

None of these

50 / 100

Category: Chemistry Ch 1 Class 12

At the end of the periodic table _____ are found.

NTS 2016 DUHS & JSMU
Chemistry
Periodicity in Elements
Elimination Tool:

A) S block element

B) P block element

C) D block element

D) Noble gases

51 / 100

Category: Chemistry

At Equilibrium, which of the following reactions is not affected by pressure?

NUMS Mock 3
Chemistry
Chemical Equilibrium

A) A

B) B

C) C

D) D

52 / 100

Category: Chemistry Ch 4 Class 11

if the crystal structure of Graphite is Hexagonal, the crystal system of Diamond will be:

Tetrahedral

Pyramidal

Cubic

Pentagonal

53 / 100

Category: Chemistry Ch 15 Class 12

The gas which is mainly produced in landfills from the waste is:

UHS 2016
Chemistry
Environmental Chemistry
Elimination Tool:

A) CH4

B) CO2

C) SO2

D) Cl2

54 / 100

Category: Chemistry Ch 13 Class 12

In the case of HOCH2CH2CH2COOH, from where is numbering started?

PMC Practice 2
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) OH group is given number 1 position

B) Carboxylic acid is given number 1 position

C) COOH is given number 3 position

D) COOH is given number 4 position

55 / 100

Category: Chemistry Ch 13 Class 12

There is double bond in oleic acid between carbon numbers:

7-8

8-9

10-11

9-10

56 / 100

Category: Chemistry Ch 15 Class 12

Enzymes that are functioning within the cell are called:

NUMS 2016
Chemistry
Chemistry of Life
Elimination Tool:

A) Endoenzymes

B) Exoenzymes

C) Holoenzymes

D) Both A & C

57 / 100

Category: Chemistry Ch 4 Class 12

Which of the following sets is of coinage metals?

PMC Sample 2
Chemistry
d and f Block Elements
Elimination Tool:

A) Cu, Ag, Au

B) Zn, Cd, Hg

C) Au, Ag, Zn

D) Li, Na, K

58 / 100

Category: Chemistry Ch 1 Class 12

Which group of elements shows greatest electrical conductivity?

Alkali metals

Alkaline earth metals

Halogens

Coinage Metals

59 / 100

Category: Chemistry Ch 13 Class 12

The formula of esters is

PMC Sample 2
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) R – COOH

B) R – COR

C) R – COOR

D) R – COH

60 / 100

Category: Chemistry Ch 5 Class 11

The relationship between quantum number n and l is:

PMC 2020
Chemistry
Atomic Structure
Elimination Tool:

A) n = l – 1

B) l = n – 2

C) l = n – 1

D) n = l – 2

61 / 100

Category: Chemistry

In contact process, to which substance adequate quantities of water is added to convert it to sulphuric acid?

NUMS Mock 1
Chemistry
Chemical Equilibrium

A) H2S2O7

B) HSO4-

C) SO3

D) S

62 / 100

Category: Chemistry Ch 11 Class 11

Which of the following oxides is amphoteric in character?

NUMS 2014
Chemistry
Acids, Bases and Salts
Elimination Tool:

A) CaO

B) CO2

C) SiO2

D) SnO2

63 / 100

Category: Chemistry

which of the following can not be used to convert butanoic acid to butanoyl chloride?

NUMS Mock 4
Chemistry
Carboxylic Acids and its Derivatives

A) PCl3

B) PCl5

C) CCl4

D) SOCl2

64 / 100

Category: Chemistry

Q.174 The alcohols which are resistant to oxidation reactions are

A. Primary alcohols

B. Secondary alcohol

C. Tertiary alcohol

D. All of above

65 / 100

Category: Chemistry Ch 8 Class 12

20 cm3 of a gaseous hydrocarbon was completely burnt in an excess of oxygen 60 cm3 of carbon dioxide and 40 cm3 of water vapours were formed, all volumes being measured at the same temperature and pressure. What is the formula of the hydrocarbon?

PreMedPK MDCAT Mock 5
Chemistry
Hydrocarbons
Elimination Tool:

A) C2H6

B) C3H4

C) C3H6

D) C3H8

66 / 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

67 / 100

Category: Chemistry Ch 1 Class 11

Avogadro’s constant is the number of:

PMC 2021 Tested
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Electrons present in 2g of H

B) Atoms in 24g of Mg

C) Atoms in 1g of He

D) Molecules in 35.5g of Chlorine

68 / 100

Category: Chemistry Ch 12 Class 12

Cyanohydrins can be synthesized from ketones through:

NUMS 2018
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Nucleophilic addition reaction

B) Unimolecular Nucleophilic substitution reaction

C) Electrophilic substitution reaction

D) Bimolecular Nucleophilic substitution reaction

69 / 100

Category: Chemistry Ch 9 Class 12

Which one of the following is the correct structure of 2,2-Dimethylbutane?

PMC Sample 1
Chemistry
Hydrocarbons
Elimination Tool:

A) CH₃(CH₃)₂CCH₂CH₃

B) CH₃(CH₃)CCHCH₃

C) CH₃(CH₃)CCH₂CH₃

D) CH₃CH₂CH₂CH₃

70 / 100

Category: Chemistry Ch 4 Class 12

Which of the following is typical transition element?

PMC Practice 4
Chemistry
d and f Block Elements
Elimination Tool:

A) Zn

B) Cd

C) Cu

D) Hg

71 / 100

Category: Chemistry Ch 10 Class 12

Which of the following bond has highest bond energy value?

PMC Sample 1
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) C-I

B) C-H

C) C-Cl

D) C-F

72 / 100

Category: Chemistry Ch 4 Class 11

All the collisions between the particles of gases are elastic in nature. What is meant by “Elastic Collisions”?

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

A) No change in the total kinetic energy

B) The velocity of the molecules changes

C) No change in potential energy during the collisions

D) No change in mass during the collisions

73 / 100

Category: Chemistry Ch 9 Class 12

Benzene when reacted with chlorine in ultraviolet rays produces:

Hexacholorocyclohexane

P-dichlorobenzene

Benzotrichloride

Benzalchloride

74 / 100

Category: Chemistry

Q.103 In phenol, the hydroxyl group is attached to

A. Phenyl group

B. Benzoyl group

C. Benzyl group

D. Benzal group

75 / 100

Category: Chemistry

Q.119 Most reactive compound among the following is

A. Methanal

B. Ethanal

C. Propanal

D. Propanone

76 / 100

Category: Chemistry Ch 9 Class 11

Colloidal particles can be separated by using:

ETEA 2017
Chemistry
Solution and Colloids
Elimination Tool:

A) Ordinary filter paper

B) Coarse filter paper

C) Fine Filter paper

D) Extremely fine filter paper

77 / 100

Category: Chemistry Ch 8 Class 11

In the reaction;

H2 + CO2 H2O + CO

The decrease in the concentration of reactants and products cause the equilibrium to shift:

NUMS 2020
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Towards left

B) Towards right

C) Nothing happens to the equilibrium

D) Equilibrium will shift towards both the directions

78 / 100

Category: Chemistry Ch 9 Class 12

If both double and triple bonds are present in the chain, double bond is given the ______

PMC Sample 2
Chemistry
Hydrocarbons
Elimination Tool:

A) Higher number

B) Lower Number

C) Priority

D) Second position

79 / 100

Category: Chemistry Ch 11 Class 12

Which of the following esters give a Jasmine Flavour?

PreMedPK MDCAT Mock 2
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) Ethyl Acetate

B) Octyl Acetate

C) Amyl Butyrate

D) Benzyl Acetate

80 / 100

Category: Chemistry Ch 8 Class 11

When the number of moles of reactants and products are equal in reversible reactions which parameter would not affect at equilibrium?

NUMS 2020
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Temperature

B) Pressure

C) Volume

D) Catalyst

81 / 100

Category: Chemistry Ch 12 Class 12

Oxidation of alcohol converts it into?

Aldehyde

Tertiary Alcohol

Alkane

Carboxylic Acid

82 / 100

Category: Chemistry Ch 1 Class 12

Which one of the following is acidic?

B(OH)3

Ca(OH)2

Mg(OH)3

NaOH

83 / 100

Category: Chemistry

The average atomic mass of Boron is 10.8. It has two isotopes of masses 10 and 11 respectively. What is the percentage of isotope with the average mass of 10?

NUMS Mock 4
Chemistry
Stoichiometry

A) 20%

B) 60%

C) 80%

D) 50%

84 / 100

Category: Chemistry Ch 9 Class 11

Which of the following has the highest electrical conductivity?

NUMS 2016
Chemistry
Solution and Colloids
Elimination Tool:

A) Aqueous sugar solution

B) Solid graphite

C) Solid sodium chloride

D) Gaseous carbon dioxide

85 / 100

Category: Chemistry Ch 1 Class 12

What are the products of the below-mentioned equation?

HNO3 +3HCI→

NTS 2019
Chemistry
Periodicity in Elements
Elimination Tool:

A) 2H2O + NOCI+Cl2

B) H2 + NOCI+ 2HOCI

C) H2O+ NOCI+ 2HCl

D) 2H2O+NOCI+ 2Cl

86 / 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

87 / 100

Category: Chemistry Ch 2 Class 12

Point out the property which is not characteristic of alkali metal:

NUMS 2014
Chemistry
s and p Block Elements
Elimination Tool:

A) Low electronegativity

B) Low melting point

C) Their ions are isoelectronic with noble gas

D) High ionization energy

88 / 100

Category: Chemistry Ch 5 Class 11

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

NUMS 2014
Chemistry
Atomic Structure
Elimination Tool:

A) Deuterium

B) Tritium

C) Ortho hydrogen

D) None of these

89 / 100

Category: Chemistry Ch 6 Class 11

Hybridization in BeCl2 Is a

sp3 hybridization

sp2 hybridization

sp hybridization

None of these

90 / 100

Category: Chemistry Ch 7 Class 12

Which of the following has shortest C – C bond length?

Acetylene

Methyl Alcohol

Benzene

Methane

91 / 100

Category: Chemistry

The correct order of decreasing solubility of AgCI In A) Water B) 0.1 M NaCi C) 0.1 BaCl2 D) 0.1M NI-43
is?

a)D>A>B>C

b)D>C>B>A

c)B>A>D>C

d)A>D>B>C

92 / 100

Category: Chemistry Ch 11 Class 11

The rate of reaction:

PMC Sample 2
Chemistry
Reaction Kinetics
Elimination Tool:

A) Increases as the reaction proceeds

B) Decreases as the reaction proceeds

C) Remains unchanged

D) None of these options is correct

93 / 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

94 / 100

Category: Chemistry

Q.99 The ionic compound with the highest lattice energy is

A. NaF

B. NaCl

C. NaBr

D. NaI

95 / 100

Category: Chemistry Ch 11 Class 11

A certain chemical reaction follows the
following rate law:

Rate =K [A] [B]2 The order of reaction is:

NTS 2011
Chemistry
Reaction Kinetics
Elimination Tool:

A) 1

B) 2

C) 3

D) 4

96 / 100

Category: Chemistry Ch 3 Class 11

Gases can be converted into liquid by:

Increasing temperature and decreasing pressure

Decreasing temperature and increasing pressure

Same temperature and pressure

Increasing pressure and temperature

97 / 100

Category: Chemistry Ch 3 Class 12

Which of the following elements of Group 3 is non-metallic in character?

98 / 100

Category: Chemistry

The conversion of phenol to benzene in the presence of zinc involves:

NUMS Mock 3
Chemistry
Alcohol, Phenols, and Ethers

A) Oxidation

B) Reduction

C) Dehydroxylation

D) Dehydrogenation

99 / 100

Category: Chemistry Ch 5 Class 11

In a discharge tube, at room pressure there is

Maximum discharg

Minimum discharge

No discharge

Moderate dischil

100 / 100

Category: Chemistry Ch 7 Class 11

During a chemical reaction, heat of Formation Is:

Evolved

Absorbed

Either Evolved or Absorbed

None of the above

Your score is

The average score is 51%

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