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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Category: Chemistry

Q.72 Isopentane is an example of_

2 / 100

Category: Chemistry Ch 15 Class 12

___________ is an eye irritant.

UHS 2014
Chemistry
Environmental Chemistry
Elimination Tool:

3 / 100

Category: Chemistry Ch 15 Class 12

CFCs are organic compounds, that are derivatives of saturated hydrocarbons. They have high bond dissociation values therefore they are inert and non-toxic for living organisms.

The word CFCs stands for:

UHS 2019
Chemistry
Environmental Chemistry
Elimination Tool:

4 / 100

Category: Chemistry Ch 3 Class 11

A crystal system having all sides (a, b and c) unequal and anglesα = β = γ= 90 is:

NUMS 2015
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

5 / 100

Category: Chemistry

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

6 / 100

Category: Chemistry

Q.124 Ethyne has which hybridization?

7 / 100

Category: Chemistry Ch 4 Class 11

Which of the following is not a property of liquids:

8 / 100

Category: Chemistry

The number of amino acids found in proteins that a human body can synthesize is:

NUMS Mock 1
Chemistry
Macromolecules

9 / 100

Category: Chemistry Ch 8 Class 11

The solubility product of AgCl is 2.0×10-10 mol-2 dm-6. The maximum concentration of Ag+1 ions in the solution is:

NTS 2019
Chemistry
Chemical Equilibrium
Elimination Tool:

10 / 100

Category: Chemistry Ch 7 Class 12

The coal used for domestic purposes is: –

11 / 100

Category: Chemistry Ch 1 Class 12

The chemical formula of Tincal is:

NTS 2019
Chemistry
Periodicity in Elements
Elimination Tool:

12 / 100

Category: Chemistry Ch 15 Class 12

Unpolluted rain water has a pH of:

UHS 2013
Chemistry
Environmental Chemistry
Elimination Tool:

13 / 100

Category: Chemistry Ch 5 Class 11

Which of the following has the maximum number of unpaired electrons?

NUMS 2015
Chemistry
Atomic Structure
Elimination Tool:

14 / 100

Category: Chemistry Ch 9 Class 11

The formula of Plaster of Paris is:

NTS 2017
Chemistry
Solution and Colloids
Elimination Tool:

15 / 100

Category: Chemistry Ch 2 Class 11

The molecular formula expresses?

NTS 2015 SMBBMC
Chemistry
Stoichiometry
Elimination Tool:

16 / 100

Category: Chemistry Ch 5 Class 11

Spectrum of which series is in the UV region?

17 / 100

Category: Chemistry Ch 3 Class 11

The unit of viscosity is:

NTS 2012
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

18 / 100

Category: Chemistry

Q.111 Which one is primary alkyl halide?

19 / 100

Category: Chemistry

Q.14 Kinetic Energy is the sum of

20 / 100

Category: Chemistry Ch 9 Class 12

How many chain isomers are possible for the alkane C6H14?

NTS 2016 SMBBMC
Chemistry
Hydrocarbons
Elimination Tool:

21 / 100

Category: Chemistry Ch 7 Class 11

When two moles of H2 and one mole of O2 react to form H2O, 484 KJ heat is evolved. What is Δ Hf for one mole of H2O?

NUMS 2019 Reconduct
Chemistry
Thermochemistry
Elimination Tool:

22 / 100

Category: Chemistry Ch 12 Class 12

In Cannizzaro’s reaction out of two moles, one makes salt of an acid the other makes

23 / 100

Category: Chemistry Ch 3 Class 11

What is the volume in cm3 of 3.01 x 10^23 molecules of O2 gas at S.T.P.?

NTS 2017
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

24 / 100

Category: Chemistry Ch 8 Class 11

The value K for H2(g) + CO2(g) H2O(g) + CO(g) is 1.80 at 1000 C. If 1.0 mole of each H2 and CO2 are placed in 1 litre flask, the final equilibrium concentration of CO at 1000 C will be:

NTS 2017
Chemistry
Chemical Equilibrium
Elimination Tool:

25 / 100

Category: Chemistry Ch 8 Class 11

If 4.6 gm of ethyl alcohol and 6.0 gm of acetic acid is kept at a constant temperature until equilibrium was established, 2.0 gm of unused acetic acid were present. What is the Kc?

NTS 2016 SMBBMC
Chemistry
Chemical Equilibrium
Elimination Tool:

26 / 100

Category: Chemistry

When a charged particle is projected perpendicular to a magnetic field:

NUMS Mock 4
Physics
Electrostatics

27 / 100

Category: Chemistry

Q114.The least acidic alcohol is

28 / 100

Category: Chemistry

Q.13 Alkali metals group lies in_________?

29 / 100

Category: Chemistry Ch 10 Class 12

Alcbhols react with aqueous acid to produce alkyl halides in presence of

30 / 100

Category: Chemistry Ch 11 Class 11

The unit of the rate constant is the same as that of the rate of reaction in:

PMC 2020
Chemistry
Reaction Kinetics
Elimination Tool:

31 / 100

Category: Chemistry Ch 6 Class 12

Acidified K2Cr2O7 is also called:

32 / 100

Category: Chemistry Ch 7 Class 11

Through what phenomenons does heat flow?

PMC Sample 2
Chemistry
Thermochemistry
Elimination Tool:

33 / 100

Category: Chemistry Ch 10 Class 12

Which alkyl halide has the lowest reactivity for a particular alkyl group?

NTS 2018
Chemistry
Alkyl Halides and Amines
Elimination Tool:

34 / 100

Category: Chemistry Ch 8 Class 12

Which gas among the following can be dried by bubbling in H2S04?

35 / 100

Category: Chemistry Ch 3 Class 12

The total number of transition elements is:

NUMS 2019 Reconduct
Chemistry
d and f Block Elements
Elimination Tool:

36 / 100

Category: Chemistry Ch 8 Class 12

The general formula of Methane Dichloride is:

37 / 100

Category: Chemistry Ch 12 Class 12

Meta-formaldehyde molecule has Oxygen MOMS:

38 / 100

Category: Chemistry

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

39 / 100

Category: Chemistry Ch 12 Class 12

Which of the following Compound is not reduced by NaBH4 ?

PreMedPK MDCAT Mock 1
Chemistry
Aldehydes and Ketones
Elimination Tool:

40 / 100

Category: Chemistry Ch 7 Class 12

Which is not a meta directing group:

NUMS 2017
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

41 / 100

Category: Chemistry

Q.156 Which of the following centers are present in the carbonyl compounds?

42 / 100

Category: Chemistry

Q.141 Cholesteryl Benzoate turns milky at

43 / 100

Category: Chemistry Ch 14 Class 12

_____ is a macromolecule found in blood.

PMC Practice 2
Chemistry
Macromolecules
Elimination Tool:

44 / 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:

45 / 100

Category: Chemistry

Sodium Benzoate on reacting with soda lime forms:

NUMS Mock 4
Chemistry
Carboxylic Acids and its Derivatives

46 / 100

Category: Chemistry Ch 2 Class 11

The process of changing a solid directly into gas upon heating is known as:

47 / 100

Category: Chemistry Ch 5 Class 11

Which orbitals always possess same energy:

48 / 100

Category: Chemistry Ch 2 Class 12

Which alkaline earth metal make peroxide?

NUMS 2019 Reconduct
Chemistry
s and p Block Elements
Elimination Tool:

49 / 100

Category: Chemistry Ch 7 Class 12

Na, Ca & Mg are

50 / 100

Category: Chemistry Ch 12 Class 12

Methyl ketones can be characterized by performing:

NUMS 2018
Chemistry
Aldehydes and Ketones
Elimination Tool:

51 / 100

Category: Chemistry Ch 4 Class 12

What are interstitial compounds?

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

52 / 100

Category: Chemistry Ch 6 Class 11

Surface tension in a liquid is caused by?

NTS 2015 DUHS and JSMU
Chemistry
Chemical Bonding
Elimination Tool:

53 / 100

Category: Chemistry

The following sketch shows the variation in a physical property of third period elements against their atomic numbers:

What physical property is plotted in this sketch?

NUMS Mock 2
Chemistry
Periodicity in Elements

54 / 100

Category: Chemistry Ch 15 Class 12

If CO2 level increase from the normal level, what will happen?

ETEA 2017
Chemistry
Environmental Chemistry
Elimination Tool:

55 / 100

Category: Chemistry Ch 1 Class 11

Molecular formula = n (Empirical formula). What does “n” represents in this

56 / 100

Category: Chemistry Ch 6 Class 11

Which of the following has the largest dipole moment?

57 / 100

Category: Chemistry Ch 5 Class 11

The atomic number Z of an atom represents the:

NTS 2018
Physics
Atomic Structure
Elimination Tool:

58 / 100

Category: Chemistry Ch 9 Class 12

C6H5 Is:

59 / 100

Category: Chemistry

Q.111 Evaporation is a process?

60 / 100

Category: Chemistry Ch 10 Class 12

When Grignard reagent react with water they give as a product

61 / 100

Category: Chemistry Ch 1 Class 12

NaNO3 on heating gives:

NUMS 2015
Chemistry
Periodicity in Elements
Elimination Tool:

62 / 100

Category: Chemistry

Copper is a typical transition metal. Its atomic number is 29. In which oxidation state does it have a partially filled orbital in d-subshell?

NUMS Mock 2
Chemistry
d and f Block Elements

63 / 100

Category: Chemistry

Q.95 Wholar first time prepare urea in laboratory in ?

64 / 100

Category: Chemistry Ch 8 Class 11

The Haber Process is used to produce ammonia commercially according to the following equilibrium: N2(g) + 3H2g = 2NH3g + energy Which of the following conditions will produce the highest yield of ammonia?

65 / 100

Category: Chemistry Ch 3 Class 11

Which one is not related to evaporation?

NUMS 2015
Chemistry
Thermochemistry
States of Matter
States of Matter – Gases, Liquids and Solids
Elimination Tool:

66 / 100

Category: Chemistry Ch 5 Class 11

d subshell has

67 / 100

Category: Chemistry Ch 14 Class 12

Who introduced the concept of macromolecules?

PMC Practice 7
Chemistry
Macromolecules
Elimination Tool:

68 / 100

Category: Chemistry Ch 12 Class 12

Which class of the compounds is represented by the type formula ROR?

NUMS 2017
Chemistry
Aldehydes and Ketones
Elimination Tool:

69 / 100

Category: Chemistry Ch 7 Class 12

IUPAC name of Divinyl acetylene is:

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

70 / 100

Category: Chemistry Ch 13 Class 12

Which of the following is branched amino acid?

71 / 100

Category: Chemistry Ch 15 Class 12

Which Organic acid is used in pulping of wood for paper?

72 / 100

Category: Chemistry Ch 7 Class 12

CH3CH2CH2COCH3 is the functional isomer of:

NTS 2016 DUHS & JSMU
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

73 / 100

Category: Chemistry Ch 5 Class 11

Which pair has 1 electron in it’s ‘s’ orbital?

PMC 2020
Chemistry
Atomic Structure
Elimination Tool:

74 / 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:

75 / 100

Category: Chemistry Ch 10 Class 11

The oxidation number of nitrogen in the HNO3 is _______.

NUMS 2018
Chemistry
Electrochemistry
Elimination Tool:

76 / 100

Category: Chemistry Ch 2 Class 11

The chemical analysis of a compound having molecular mass 188 gives, C=12.8%, H=2.1% and Br=85.1%. Its molecular formula is:

NTS 2014
Chemistry
Stoichiometry
Elimination Tool:

77 / 100

Category: Chemistry

Which of the following indicate the correct variation of electronegativity?

NUMS Mock 1
Chemistry
Chemical Bonding

78 / 100

Category: Chemistry Ch 8 Class 12

IUPAC Nomenclature of:

CH3 – CH = CH – CH2 – CH = CH2 is:

NTS 2011
Chemistry
Hydrocarbons
Elimination Tool:

79 / 100

Category: Chemistry Ch 1 Class 11

Molecular ions are produced by passing a high energy electron beam or an x-ray beam through _______.

PMC Practice 21
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

80 / 100

Category: Chemistry Ch 10 Class 12

Which of the following is true about SN2 reactions:

81 / 100

Category: Chemistry Ch 11 Class 12

In Cannizzaro’s reaction, Benzyl alcohol is obtained from?

PreMedPK MDCAT Mock 4
Chemistry
Alcohols, Phenols and Ethers
Aldehydes and Ketones
Elimination Tool:

82 / 100

Category: Chemistry Ch 12 Class 12

Cyanohydrins can be synthesized from ketones through:

NUMS 2018
Chemistry
Aldehydes and Ketones
Elimination Tool:

83 / 100

Category: Chemistry

Q.32 vapor pressure is measured by calculating difference in liquid pressure and

84 / 100

Category: Chemistry

Hydrolysis of acyl chloride results in the formation of:

NUMS Mock 4
Chemistry
Carboxylic Acids and its Derivatives

85 / 100

Category: Chemistry Ch 4 Class 12

Which one of the following does not have allotropes?

86 / 100

Category: Chemistry Ch 11 Class 11

Solar energy is stored through solar panels in?

87 / 100

Category: Chemistry

Identify the correct statement:

NUMS Mock 3
Chemistry
s and p Block Elements

88 / 100

Category: Chemistry Ch 6 Class 12

Transition elements are colored in which type of compounds?

89 / 100

Category: Chemistry Ch 4 Class 11

A liquid has mass m and specific heat capacity c. The rate of change in temperature of the liquid is R. What is the rate at which heat is transferred from the liquid.

PMC Practice 2
Physics
States of Matter – Gases, Liquids and Solids
Elimination Tool:

90 / 100

Category: Chemistry Ch 2 Class 12

Which one of the following alkaline earth metal carbonates is thermally the most stable?

NUMS 2020
Chemistry
s and p Block Elements
Elimination Tool:

91 / 100

Category: Chemistry Ch 13 Class 12

Which type of carboxylic acid is produced from the hydrolysis of nitriles?

PMC Practice 3
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

92 / 100

Category: Chemistry Ch 1 Class 12

The formula of washing soda is:

NUMS 2015
Chemistry
Periodicity in Elements
Elimination Tool:

93 / 100

Category: Chemistry Ch 8 Class 12

Benzene can be prepared from:

PreMedPK MDCAT Mock 2
Chemistry
Hydrocarbons
Elimination Tool:

94 / 100

Category: Chemistry Ch 10 Class 11

X is a salt that decomposes in water.

What is the reason for its decomposition?
e-+ X3+→ X2+ Ecell= 1.91 V

NUMS 2018
Chemistry
Electrochemistry
Elimination Tool:

95 / 100

Category: Chemistry Ch 10 Class 11

CH3Cl + Cl2 —-> CH2Cl2 + HCl is an example of ?

NTS 2015 SMBBMC
Chemistry
Electrochemistry
Elimination Tool:

96 / 100

Category: Chemistry Ch 10 Class 12

In alkyl halide, the halide ion has charge on it when attached to C-atom.

97 / 100

Category: Chemistry Ch 11 Class 11

Reaction of Sodium with water is an example of

PMC Sample 3
Chemistry
Reaction Kinetics
Elimination Tool:

98 / 100

Category: Chemistry Ch 13 Class 12

Which of the following is not the physical property of acetic acid?

NUMS 2017
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

99 / 100

Category: Chemistry Ch 7 Class 12

How many chain isomers can be obtained from the alkane C6H14?

NTS 2016 DUHS & JSMU
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

100 / 100

Category: Chemistry Ch 2 Class 12

Formula of Epsom salt is:

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Structured Practice for Best Entry Test Preparation

This topic-wise and chapter-wise practice test allows students to focus on individual chemistry concepts, numerical problems, reactions, and practical exercises. Regular practice enhances understanding, sharpens problem-solving abilities, and builds confidence to tackle both board and competitive exam questions efficiently.

Free Resources for Best Entry Test Preparation

Students can access free Chemistry Practice Test 1 to systematically improve knowledge, calculation skills, and problem-solving abilities. This test is suitable for FSC Board Exams as well as major entry tests, helping students perform better in the chemistry section. PLS Academy provides these resources to support students in their preparation.

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Comments

2 responses to “Chemistry Practice Tests 1”

  1. Malik Uzzam Arif

    Attention Sir…!
    Q-177 : Highest electronegativity of Flourine is 4 but in answer 2.6 is given correct…! ?
    Need your opinion…!
    Thank You ..!

    1. JazakAllah we will review IA

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