Chemistry Practice Tests 3




Entry test contains most of the Chemistry MCQs. FSC Part 2 Chemistry book MCQs. HSSC Chemistry questions MCQs. Solved Chapterwise Chemistry MCQs for first-year 12 class MCQs and 11 class MCQs. Second-year and first-year Chemistry textbooks chapter-wise MCQs with the answer are provided here. The Chemistry portion is helpful in MDCAT , ECAT , NTS NAT , and NUST NET . PakLearningSpot PLS MCQs Bank website for FREE Entry test preparations

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Chemistry Practice Test 3

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1 / 100

Category: Chemistry Ch 8 Class 12

Which of the following compounds will form a hydrocarbon on reaction with Grignard reagent?

PreMedPK MDCAT Mock 4
Chemistry
Hydrocarbons
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2 / 100

Category: Chemistry Ch 4 Class 11

Increasing the temperature of a liquid will decrease all except:

3 / 100

Category: Chemistry Ch 9 Class 12

Organic compounds in which tetravalency of carbon atom is satisfied are called as ____ ?

PMC Practice 1
Chemistry
Hydrocarbons
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4 / 100

Category: Chemistry Ch 15 Class 12

Which of the following is not a primary pollutant of the troposphere?

NUMS 2019 Cancelled
Chemistry
Environmental Chemistry
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5 / 100

Category: Chemistry Ch 10 Class 11

The Oxidation state of Alkali metals in any compound is?

PMC Sample 3
Chemistry
Electrochemistry
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6 / 100

Category: Chemistry Ch 4 Class 11

If the absolute temperature of a gas is reduced to one half and the pressure is doubled, the volume of gas will be:

NUMS 2018
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

7 / 100

Category: Chemistry Ch 6 Class 12

Which metal is not attracted by magnet?

8 / 100

Category: Chemistry Ch 4 Class 11

Change in extensive property is proportional to the change in ______ of material.

NUMS 2018
Chemistry
States of Matter – Gases, Liquids and Solids
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9 / 100

Category: Chemistry Ch 11 Class 11

What is the order of the following reaction:

2NO +O2 -> 2NO2

NTS 2019
Chemistry
Reaction Kinetics
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10 / 100

Category: Chemistry Ch 13 Class 12

Which of the following reagent is required for preparation of acyl chloride (CH3COCl) from ethanoic aicd?

UHS 2019
Chemistry
Carboxylic Acids and its Derivatives
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11 / 100

Category: Chemistry Ch 3 Class 11

According to the general gas equation, density of an ideal gas depends upon:

PMC 2020
Chemistry
States of Matter – Gases, Liquids and Solids
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12 / 100

Category: Chemistry Ch 4 Class 12

Which one of the following does not have allotropes?

13 / 100

Category: Chemistry

Q.96 Heat supplied at constant pressure equals to

14 / 100

Category: Chemistry Ch 12 Class 12

Simplest aromatic aldehyde has number of hydrogen atoms.

15 / 100

Category: Chemistry Ch 2 Class 12

Which ions shall be removed to make hard water soft?

NUMS 2019 Cancelled
Chemistry
s and p Block Elements
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16 / 100

Category: Chemistry Ch 16 Class 12

Which of the following is a secondary pollutant?

17 / 100

Category: Chemistry Ch 4 Class 11

Covalent bond is stronger than hydrogen bond by:

18 / 100

Category: Chemistry

Name the orbital n = 5; l = 2; m = 0.

NUMS Mock 1
Chemistry
Atomic Structure

19 / 100

Category: Chemistry Ch 12 Class 12

Phenylmethyl ketone can be converted into ethyl benzene in one step by using:

NUMS 2016
Chemistry
Aldehydes and Ketones
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20 / 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

21 / 100

Category: Chemistry Ch 10 Class 11

Oxidation is defined as:

22 / 100

Category: Chemistry

Q.25 In a pressure cooker, boiling point of water is_

23 / 100

Category: Chemistry Ch 12 Class 12

Odour of formaldehyde Is:

24 / 100

Category: Chemistry Ch 9 Class 12

How many chain isomers of Pentane is possible?

PMC Practice 1
Chemistry
Hydrocarbons
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25 / 100

Category: Chemistry Ch 1 Class 11

One mole of Oxygen has number of atoms as compared to one mole of Nitrogen

26 / 100

Category: Chemistry Ch 2 Class 11

The empirical formula of Glucose C6H12O6 is:

PMC 2020
Chemistry
Stoichiometry
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27 / 100

Category: Chemistry Ch 2 Class 11

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

28 / 100

Category: Chemistry Ch 13 Class 12

Amino acid is usually known by a

29 / 100

Category: Chemistry Ch 6 Class 11

H2S is an example of ______ hydride.

NTS 2012
Chemistry
Chemical Bonding
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30 / 100

Category: Chemistry

In this reaction NH4* + H2O -> H3O*, the conjugate base of H3O+ ion is:

NUMS Mock 3
Chemistry
Chemical Equilibrium

31 / 100

Category: Chemistry Ch 7 Class 11

The heat of a reaction can be calculated by using:

NTS 2010
Chemistry
Thermochemistry
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32 / 100

Category: Chemistry

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

33 / 100

Category: Chemistry Ch 8 Class 11

The Kcunits for the reaction N2(g) + 3H2(g) -> 2NH3(g) are:

NUMS 2019 Reconduct
Chemistry
Chemical Equilibrium
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34 / 100

Category: Chemistry Ch 4 Class 12

Which transition metal is used the most in industries?

PMC 2021 Tested
Chemistry
d and f Block Elements
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35 / 100

Category: Chemistry

Q3___________is a macromolecule found in bold?

36 / 100

Category: Chemistry Ch 8 Class 12

Methane reacts with chlorine to form chloromethane. The catalyst used is?

NTS 2015 SMBBMC
Biology
Hydrocarbons
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37 / 100

Category: Chemistry Ch 13 Class 12

Which of the following is branched amino acid?

38 / 100

Category: Chemistry Ch 7 Class 12

Aromatic compounds burn with a sooty flame because:

NUMS 2014
Chemistry
Fundamental Principles of Organic Chemistry
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39 / 100

Category: Chemistry Ch 12 Class 12

IUPAC name of propionaldehyde is:

40 / 100

Category: Chemistry Ch 4 Class 12

Ligands having two lone pair of electrons for donation to the central transition metal ion are known as:

UHS 2018
Chemistry
d and f Block Elements
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41 / 100

Category: Chemistry Ch 7 Class 12

Example of a nucleophile is:

NUMS 2019 Cancelled
Chemistry
Fundamental Principles of Organic Chemistry
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42 / 100

Category: Chemistry Ch 13 Class 12

Which of the following carboxylic acids will be the most acidic?

NUMS 2016
Chemistry
Carboxylic Acids and its Derivatives
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43 / 100

Category: Chemistry

Which of the following statements is true?

NUMS Mock 2
Chemistry
s and p Block Elements

44 / 100

Category: Chemistry Ch 7 Class 12

Formyl group is present in

PMC Sample 1
Chemistry
Fundamental Principles of Organic Chemistry
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45 / 100

Category: Chemistry Ch 10 Class 11

The process in which electric current is used to carry out a non-spontaneous redox reaction is called:

NUMS 2018
Chemistry
Electrochemistry
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46 / 100

Category: Chemistry

The essential property of a fertilizer is that is should be:

NUMS Mock 1
Chemistry
Environmental Chemistry

47 / 100

Category: Chemistry Ch 11 Class 11

The process of bringing an element in use after its complete half-life is:

48 / 100

Category: Chemistry Ch 15 Class 12

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

49 / 100

Category: Chemistry

Which one of the following reagents is used to distinguish between aldehydes and ketones?

NUMS Mock 1
Chemistry
Aldehydes and Ketones

50 / 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
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51 / 100

Category: Chemistry Ch 1 Class 12

ZnH2 is an example of?

NTS 2015 SMBBMC
Chemistry
Periodicity in Elements
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52 / 100

Category: Chemistry

Transition Elements usually show:

NUMS Mock 2
Chemistry
d and f Block Elements

53 / 100

Category: Chemistry Ch 9 Class 11

The aqueous solution of which of the following electrolyte will conduct electric current to large extent:

ETEA 2018
Chemistry
Solution and Colloids
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54 / 100

Category: Chemistry Ch 4 Class 11

Which type of movement is shown by the atoms of the solid?

PMC Practice 6
Chemistry
States of Matter – Gases, Liquids and Solids
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55 / 100

Category: Chemistry

Q.93   Which element has electronic configuration of [Ar]4s1, 3d5

56 / 100

Category: Chemistry

Q.166 Which of the species has a permanent dipole moment?

57 / 100

Category: Chemistry

Q.123 Which of the following is succinic acid?

58 / 100

Category: Chemistry

A system at equilibrium can be disturbed by:

NUMS Mock 4
Chemistry
Chemical Equilibrium

59 / 100

Category: Chemistry Ch 6 Class 11

Triatomic molecules have following movements:

NUMS 2014
Chemistry
Chemical Bonding
Elimination Tool:

60 / 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
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61 / 100

Category: Chemistry Ch 4 Class 11

Ice floats on the surface of water due to:

NUMS 2020
Chemistry
States of Matter – Gases, Liquids and Solids
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62 / 100

Category: Chemistry Ch 4 Class 11

A liquid crystalline state exists between two temperatures i.e melting temperature and ____ temperature.

PMC Sample 1
Chemistry
States of Matter – Gases, Liquids and Solids
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63 / 100

Category: Chemistry Ch 10 Class 11

The oxidation number of Br in Br2 is:

NTS 2019
Chemistry
Electrochemistry
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64 / 100

Category: Chemistry Ch 2 Class 11

Given the reaction:

C3H6 + 5O2 → 3CO2 +4H2O

At STP, how many liters of O2 are needed to completely burn 5.0 liters of C3H6?

NTS 2010
Chemistry
Stoichiometry
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65 / 100

Category: Chemistry

Q.114 On which of the following factors Hydration Energy depend?

66 / 100

Category: Chemistry Ch 8 Class 12

Which one of these is/are gasses?

67 / 100

Category: Chemistry Ch 9 Class 11

The elevation in boiling point ∆?? is equal to ebullioscopic constant ?? when the Molarity (?) of the solution is:

ETEA 2018
Chemistry
Solution and Colloids
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68 / 100

Category: Chemistry

The substance which conducts electricity by the movement of ions:

NUMS Mock 3
Chemistry
Chemical Bonding

69 / 100

Category: Chemistry Ch 5 Class 11

Which orbitals always possess same energy:

70 / 100

Category: Chemistry Ch 7 Class 12

Ethers show the phenomenon of:

NTS 2019
Chemistry
Fundamental Principles of Organic Chemistry
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71 / 100

Category: Chemistry Ch 10 Class 11

The reaction: Cl2 + H2O→ HCl + HOCl is an example of:

NTS 2014
Chemistry
Electrochemistry
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72 / 100

Category: Chemistry

For a single step reaction A ->B + 2C, the rate law is:

NUMS Mock 3
Chemistry
Reaction Kinetics

73 / 100

Category: Chemistry

What type of chemical reaction is this?
CH3CHO + NH3 -> CH3CH(OH)NH2

NUMS Mock 3
Chemistry
Aldehydes and Ketones

74 / 100

Category: Chemistry

Which of the following does not show variable valency?

NUMS Mock 3
Chemistry
Atomic Structure

75 / 100

Category: Chemistry Ch 12 Class 12

Carbonyl group undergoes:

NUMS 2019 Reconduct
Chemistry
Aldehydes and Ketones
Elimination Tool:

76 / 100

Category: Chemistry Ch 13 Class 12

Strongest acid among the following is:

NUMS 2014
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

77 / 100

Category: Chemistry Ch 2 Class 12

By heating 25g of limestone (CaCO3) , the weight of carbon dioxide produced is

NTS 2011
Chemistry
s and p Block Elements
Elimination Tool:

78 / 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:

79 / 100

Category: Chemistry Ch 4 Class 12

Which one of the following Is a vulcanizing agent?

80 / 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:

81 / 100

Category: Chemistry Ch 7 Class 12

CH3CH2CH2COCH3 is the functional isomer of:

NTS 2016 DUHS & JSMU
Chemistry
Fundamental Principles of Organic Chemistry
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82 / 100

Category: Chemistry Ch 14 Class 12

Three different polymers are polymerized to form

83 / 100

Category: Chemistry Ch 15 Class 12

About 80% of ammonia is used for the production of

UHS 2015
Chemistry
Environmental Chemistry
Elimination Tool:

84 / 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:

85 / 100

Category: Chemistry Ch 12 Class 12

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

86 / 100

Category: Chemistry Ch 13 Class 12

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

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

87 / 100

Category: Chemistry Ch 10 Class 12

How would an ammonium group affect the benzene ring for subsequent reactions?

NTS 2017
Chemistry
Alkyl Halides and Amines
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88 / 100

Category: Chemistry

An ionic compound is most likely to be formed when:

NUMS Mock 1
Chemistry
Chemical Bonding

89 / 100

Category: Chemistry Ch 11 Class 11

H2SO4 has great affinity for water because:

NTS 2014
Chemistry
Acids, Bases and Salts
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90 / 100

Category: Chemistry Ch 7 Class 11

In chemistry the work is generally ___.

PMC Sample 1
Chemistry
Thermochemistry
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91 / 100

Category: Chemistry Ch 10 Class 11

Oxidation state of sulphur in H2SO4?

92 / 100

Category: Chemistry Ch 8 Class 12

In which of the following C-C bond length is the minimum?

93 / 100

Category: Chemistry Ch 5 Class 11

Nitrogen and phosphorus have 3 of their valence electrons unpaired because of:

NTS 2014
Chemistry
Atomic Structure
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94 / 100

Category: Chemistry Ch 1 Class 11

The smallest number of molecules are present in?

Chemistry
Introduction to Fundamental Concepts of Chemistry
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95 / 100

Category: Chemistry Ch 9 Class 12

Acetylene on reacting with ammonium silver nitrate gives.

NUMS 2014
Chemistry
Hydrocarbons
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96 / 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:

97 / 100

Category: Chemistry Ch 11 Class 11

For the reaction, A(g) -> products:

When the concentration of A(g) doubles, the rate of reaction increases four folds, which means it is:

PMC 2020
Chemistry
Reaction Kinetics
Elimination Tool:

98 / 100

Category: Chemistry Ch 9 Class 12

The hybridization of benzene is:

99 / 100

Category: Chemistry Ch 7 Class 11

Value of heat capacity of water is

100 / 100

Category: Chemistry Ch 4 Class 12

What are interstitial compounds?

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

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