Chemistry Practice Tests 5





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 5

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1 / 100

Category: Chemistry Ch 7 Class 12

In a resonance structure of a molecule

NUMS 2014
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

2 / 100

Category: Chemistry Ch 11 Class 12

With which of the following alcohols do not react to form alkyl halides?

3 / 100

Category: Chemistry Ch 14 Class 12

________ is used as a preservative for life specimens.

NTS 2012
Chemistry
Macromolecules
Elimination Tool:

4 / 100

Category: Chemistry

Le Chatelier Principle is about:

NUMS Mock 1
Chemistry
Chemical Equilibrium

5 / 100

Category: Chemistry Ch 7 Class 12

Maleic Acid and Fumaric Acid are:

NUMS 2017
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

6 / 100

Category: Chemistry Ch 14 Class 12

Part of a polymer molecule has the following structure. -CH2 -CH2 -CH2 -CH2 -CH2 -CH2-

NUMS 2016
Chemistry
Macromolecules
Elimination Tool:

7 / 100

Category: Chemistry Ch 10 Class 11

Only those substances are written in Ion Electron Method:

PMC Sample 1
Chemistry
Electrochemistry
Elimination Tool:

8 / 100

Category: Chemistry Ch 2 Class 12

What is the chemical formula for plaster of Paris?

NTS 2010
Chemistry
s and p Block Elements
Elimination Tool:

9 / 100

Category: Chemistry Ch 13 Class 12

An ester is prepared by the reaction of:

NTS 2011
Chemistry
Carboxylic Acids and its Derivatives
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10 / 100

Category: Chemistry

Impurities of lead in silver are removed by:

NUMS Mock 2
Chemistry
d and f Block Elements

11 / 100

Category: Chemistry Ch 4 Class 12

D block elements are also called as ____ ?

PMC Practice 1
Chemistry
d and f Block Elements
Elimination Tool:

12 / 100

Category: Chemistry Ch 9 Class 11

In depression of freezing point, freezing constant Is divided by

13 / 100

Category: Chemistry Ch 13 Class 12

Strongest acid among the following is:

NUMS 2014
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

14 / 100

Category: Chemistry Ch 10 Class 12

Alkyl halides can also be obtained by halogenation of ________.

NUMS 2018
Chemistry
Alkyl Halides and Amines
Elimination Tool:

15 / 100

Category: Chemistry

Q86 : Which of the following is most ionic in nature

16 / 100

Category: Chemistry Ch 9 Class 12

Which type of bonds are broken during cracking?

PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:

17 / 100

Category: Chemistry Ch 15 Class 12

[Ti(H2O)6]3+ transmits

UHS 2015
Chemistry
Environmental Chemistry
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18 / 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
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19 / 100

Category: Chemistry Ch 6 Class 11

Which of the following ions will show maximum hydration?

NTS 2016 SMBBMC
Chemistry
Chemical Bonding
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20 / 100

Category: Chemistry

Q.70 Which one of the following is an electrophile?

21 / 100

Category: Chemistry Ch 5 Class 11

Breaking of neutron produces?

22 / 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:

23 / 100

Category: Chemistry Ch 12 Class 12

Which of the following represent the formula of Ketone?

24 / 100

Category: Chemistry Ch 10 Class 11

Highest oxidation state of chlorine Is

25 / 100

Category: Chemistry Ch 7 Class 12

Which of the following is/are organic?

26 / 100

Category: Chemistry Ch 11 Class 11

Blue litmus turns red in a solution of PH

NUMS 2014
Chemistry
Acids, Bases and Salts
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27 / 100

Category: Chemistry Ch 11 Class 12

Which of following is an example of electrophilic attack on alcohols?

PMC Practice 1
Chemistry
Alcohols, Phenols and Ethers
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28 / 100

Category: Chemistry Ch 14 Class 12

Polymer having a characteristics odour and mostly used as an adhesive material is

29 / 100

Category: Chemistry Ch 14 Class 12

Formula of fructose is:

30 / 100

Category: Chemistry Ch 15 Class 12

Enzymes that are functioning within the cell are called:

NUMS 2016
Chemistry
Chemistry of Life
Elimination Tool:

31 / 100

Category: Chemistry Ch 5 Class 11

Which of the following fundamental particles have the same mass/kg?

NUMS 2020
Chemistry
Atomic Structure
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32 / 100

Category: Chemistry Ch 9 Class 12

Boiling point of benzene is:

33 / 100

Category: Chemistry Ch 3 Class 11

Gases can be converted into liquid by:

34 / 100

Category: Chemistry Ch 7 Class 11

ΔH = ΔE + PΔV is the change in enthalpy at constant ________.

NUMS 2018
Chemistry
Thermochemistry
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35 / 100

Category: Chemistry Ch 2 Class 11

Change in Pressure will only affect the substances which are in:

PMC Practice 4
Chemistry
Experimental Techniques in Chemistry
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36 / 100

Category: Chemistry Ch 6 Class 12

What is not true about transition metals?

37 / 100

Category: Chemistry Ch 3 Class 11

Excluded volume is not equal to the actual volume of gas molecules and is represented by:

38 / 100

Category: Chemistry Ch 5 Class 11

The spectrum of He is expected to be similar to that of:

NUMS 2014
Chemistry
Atomic Structure
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39 / 100

Category: Chemistry Ch 6 Class 11

The Lattice energy is also called as:

PMC 2020
Chemistry
Chemical Bonding
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40 / 100

Category: Chemistry

Which of the following is locating agent?

NUMS Mock 1
Chemistry
Analytical Chemistry

41 / 100

Category: Chemistry

 

Q.168 In aldol condensation, nucleophile is_

42 / 100

Category: Chemistry Ch 12 Class 12

Cyanohydrins can be synthesized from ketones through:

NUMS 2018
Chemistry
Aldehydes and Ketones
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43 / 100

Category: Chemistry Ch 7 Class 12

Which functional group is not a double bond?

NUMS 2019 Cancelled
Chemistry
Fundamental Principles of Organic Chemistry
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44 / 100

Category: Chemistry Ch 10 Class 12

When Grignard reagent reacts with 1120, which of the following is formed

45 / 100

Category: Chemistry Ch 2 Class 12

Sodium reacts with water more vigorously than lithium because it:

NTS 2010
Chemistry
s and p Block Elements
Elimination Tool:

46 / 100

Category: Chemistry

Q.105 Ethane is obtained by electrolyzing-

47 / 100

Category: Chemistry Ch 9 Class 11

The solubility product for BaSO4 , at 18-25°C is:

NTS 2015 DUHS and JSMU
Chemistry
Solution and Colloids
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48 / 100

Category: Chemistry Ch 15 Class 12

Aerobic decomposition of organic matter i.e. glucose by bacteria in water sediments produces

UHS 2013
Chemistry
Environmental Chemistry
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49 / 100

Category: Chemistry Ch 15 Class 12

Identify the pair of rnicronutrients:

50 / 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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51 / 100

Category: Chemistry Ch 9 Class 11

As the number of solute particles increases, the freezing point of the solution:

UHS 2012
Chemistry
Solution and Colloids
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52 / 100

Category: Chemistry Ch 12 Class 12

Which of the following will not undergo aldol condensation?

PreMedPK MDCAT Mock 3
Chemistry
Aldehydes and Ketones
Elimination Tool:

53 / 100

Category: Chemistry Ch 14 Class 12

54 / 100

Category: Chemistry Ch 2 Class 12

Which is most basic in character?

NTS 2015 DUHS and JSMU
Chemistry
s and p Block Elements
Elimination Tool:

55 / 100

Category: Chemistry Ch 1 Class 12

Element that is not found in Free State is?

56 / 100

Category: Chemistry Ch 9 Class 12

Name the main product formed as a result of the following reaction

H3C – (CH2)5 – CH3 ————> Product

n-heptane

Conditions: 480 – 550 C, 150 – 399 psi V2O5

NTS 2019
Chemistry
Hydrocarbons
Elimination Tool:

57 / 100

Category: Chemistry Ch 1 Class 11

4 gram atoms of carbon has a mass of:

58 / 100

Category: Chemistry Ch 5 Class 12

Sulfur with HI acts as a:

59 / 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:

60 / 100

Category: Chemistry Ch 9 Class 12

Alkenes are:

PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:

61 / 100

Category: Chemistry Ch 1 Class 12

Which of the following statements are correct about noble gases?

NTS 2013
Chemistry
Periodicity in Elements
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62 / 100

Category: Chemistry Ch 3 Class 11

The Unit cell with crystallographic dimensions a = b ≠c ,α = β = γ = 90 degrees is:

NTS 2015 DUHS and JSMU
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

63 / 100

Category: Chemistry Ch 6 Class 11

Sigma bond is formed by:

NTS 2010
Chemistry
Chemical Bonding
Elimination Tool:

64 / 100

Category: Chemistry

If a molecule MX3 has zero dipole moment, the sigma bonding orbitals used by M are:

NUMS Mock 4
Chemistry
Chemical Bonding

65 / 100

Category: Chemistry Ch 1 Class 12

Triads were introduced by

66 / 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:

67 / 100

Category: Chemistry Ch 11 Class 12

Ethers are very good:

68 / 100

Category: Chemistry Ch 4 Class 12

Which one of the following does not have allotropes?

69 / 100

Category: Chemistry Ch 14 Class 12

Which of following Is poison for catalyst:

70 / 100

Category: Chemistry Ch 3 Class 11

The Vander Waal’s constant ‘If of a gas Is four times the:

71 / 100

Category: Chemistry Ch 11 Class 12

Phenol has all characters except?

72 / 100

Category: Chemistry Ch 9 Class 12

What happens when one mole of ethane is mixed in the dark at room temperature with six moles of chlorine?

NTS 2017
Chemistry
Hydrocarbons
Elimination Tool:

73 / 100

Category: Chemistry Ch 12 Class 12

In which of the following reagent Cupric citrate complex is formed?

PreMedPK MDCAT Mock 5
Chemistry
Aldehydes and Ketones
Elimination Tool:

74 / 100

Category: Chemistry

Q.74 The specific site at which substrate is attached on the enzyme and converted into product is called as_________________?

75 / 100

Category: Chemistry Ch 3 Class 11

Which of the following is constant during an isothermal process?

76 / 100

Category: Chemistry Ch 11 Class 11

Farming salt is:

NUMS 2014
Chemistry
Acids, Bases and Salts
Elimination Tool:

77 / 100

Category: Chemistry Ch 11 Class 12

Which of following is an example of electrophilic attack on alcohols?

PreMedPK MDCAT Mock 5
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

78 / 100

Category: Chemistry Ch 8 Class 12

The addition of HBr to an unsymmetrical alkenes follows?

PreMedPK MDCAT Mock 2
Chemistry
Hydrocarbons
Elimination Tool:

79 / 100

Category: Chemistry Ch 4 Class 11

The nature of Binding Force in Ionic Crystals is

PMC Sample 1
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

80 / 100

Category: Chemistry Ch 3 Class 11

Pressure remaining constant, at which temperature volume of gas will become twice to the volume at 0 C?

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

81 / 100

Category: Chemistry Ch 6 Class 11

Which of the following molecules have zero Dipole moments?

NTS 2011
Chemistry
Chemical Bonding
Elimination Tool:

82 / 100

Category: Chemistry

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

NUMS Mock 1
Chemistry
Hydrocarbons

83 / 100

Category: Chemistry Ch 8 Class 11

In a reversible reaction, catalyst lowers the action energy of the:

NUMS 2020
Chemistry
Reaction Kinetics
Chemical Equilibrium
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84 / 100

Category: Chemistry Ch 10 Class 12

Reaction of CH3CH2MgBr with ethylene epoxide gives:

NUMS 2019 Reconduct
Chemistry
Alkyl Halides and Amines
Elimination Tool:

85 / 100

Category: Chemistry

Q.83 Which bond has more ionic character in it

86 / 100

Category: Chemistry Ch 8 Class 11

Which of the following reaction has greater Kp than Kc?

PMC 2020
Chemistry
Chemical Equilibrium
Elimination Tool:

87 / 100

Category: Chemistry Ch 9 Class 12

Which of the following method is used to prepare Ethylene glycol from ethene?

PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:

88 / 100

Category: Chemistry Ch 8 Class 11

What is correct relation between Kw, Kb and Ka?

89 / 100

Category: Chemistry Ch 2 Class 11

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

NTS 2016 SMBBMC
Chemistry
Stoichiometry
Elimination Tool:

90 / 100

Category: Chemistry Ch 10 Class 11

Conversion of Electrical energy into chemical energy is

PMC Sample 1
Chemistry
Electrochemistry
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91 / 100

Category: Chemistry Ch 2 Class 12

Which of the following elements has the highest boiling point?

NTS 2014
Chemistry
s and p Block Elements
Elimination Tool:

92 / 100

Category: Chemistry Ch 9 Class 11

An azeotropic mixture of two liquids has a boiling point higher than either of them when it:

NUMS 2016
Chemistry
Solution and Colloids
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93 / 100

Category: Chemistry Ch 14 Class 12

Which one is not true for H2SO4?

NTS 2012
Chemistry
Macromolecules
Elimination Tool:

94 / 100

Category: Chemistry Ch 9 Class 12

Alkaline KMnO4 converts ethylene into:

NUMS 2014
Chemistry
Hydrocarbons
Elimination Tool:

95 / 100

Category: Chemistry Ch 5 Class 11

Which orbitals always possess same energy:

96 / 100

Category: Chemistry Ch 14 Class 12

Activator of phosphatase enzyme is _________.

PMC Practice 3
Chemistry
Macromolecules
Elimination Tool:

97 / 100

Category: Chemistry Ch 15 Class 12

Which of the following is the most environmentally friendly source to derive energy?

NUMS 2017
Chemistry
Environmental Chemistry
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98 / 100

Category: Chemistry Ch 1 Class 11

Mass spectrometer can be used to find:

99 / 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
Elimination Tool:

100 / 100

Category: Chemistry Ch 13 Class 12

The compounds having -COOH group are called as_______?

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

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