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Chemistry MCQs

Prepare for competitive exams with our topic-wise Chemistry MCQs covering fundamental and advanced concepts. These multiple-choice questions include atomic structure, chemical bonding, periodic table, acids & bases, organic chemistry, thermodynamics, chemical equations, mole concept, electrochemistry, and biochemistry. Ideal for science students and job aspirants appearing in PPSC, FPSC, CSS, NTS, SPSC, BPSC, KPSC, ETEA, AJKPSC, and other testing services. A valuable resource for teachers, educators, and candidates targeting science educator posts, laboratory roles, and general science sections in public sector exams.

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1 Organic Chemistry MCQs

Mass difference between adjacent members of a homologous series is?

  • 14 amu
  • 12 amu
  • 18 amu
  • 22 amu
0 Comments
Correct Answer: A. 14 amu

Explanation:

A homologous series is a group of organic compounds having the same functional ... Read More Details

2 Organic Chemistry MCQs

The valency of Carbon is _________?

  • 2
  • 3
  • 4
  • 1
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Correct Answer: C. 4

Explanation:

Valency is defined as the combining capacity of an atom, determined by the ... Read More Details

3 Organic Chemistry MCQs

All members of homologous series have different __________?

  • Chemical properties
  • Functional group
  • Physical properties
  • All of them
0 Comments
Correct Answer: C. Physical properties

Explanation:

A homologous series is a group of organic compounds having the same functional ... Read More Details

4 Physical Chemistry MCQs

The blotting paper helps observe liquid by__________?

  • Surface Action
  • Capillary Action
  • Viscosity
  • Boldness
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Correct Answer: B. Capillary Action

Explanation:

Blotting paper is a highly porous material designed to quickly absorb and retain ... Read More Details

5 Organic Chemistry MCQs

The marsh gas is ___________?

  • Ethane
  • Methane
  • Propane
  • Butane
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Correct Answer: B. Methane

Explanation:

Marsh gas is the common name for methane, a simple hydrocarbon ... Read More Details

6 Inorganic Chemistry MCQs

Coinage metals are actually_________?

  • Alkali metals
  • Halogens
  • Alkaline earth metals
  • Transition metals
0 Comments
Correct Answer: D. Transition metals

Explanation:

Coinage metals refer to a small group of metallic elements that have historically ... Read More Details

7 Physical Chemistry MCQs

Which of the following is a neutral particle?

  • Alpha particle
  • Neutron
  • Electron
  • Proton
0 Comments
Correct Answer: B. Neutron

Explanation:

Atoms are made up of three main subatomic particles: protons, neutrons, and electrons. ... Read More Details

8 Chemistry MCQs

The chemical name of quartz is:

  • Silicon Dioxide
  • Stannous Oxide
  • Aluminium Oxide
  • None
0 Comments
Correct Answer: A. Silicon Dioxide

Explanation:

Quartz is one of the most abundant minerals found on Earth ... Read More Details

9 Chemistry MCQs

Deuterium differs from Hydrogen in having:

  • Different atomic number but same atomic weight
  • Different atomic number and different atomic weight
  • Same atomic number and different atomic weight
  • None
0 Comments
Correct Answer: C. Same atomic number and different atomic weight

Explanation:

Hydrogen is the simplest and lightest element in the periodic table. It usually ... Read More Details

10 Chemistry MCQs

Atom is made up of____________different kinds of subatomic particles:

  • Three
  • Two
  • Four
  • None
0 Comments
Correct Answer: A. Three

Explanation:

In Chemistry, understanding the structure of an atom is fundamental to ... Read More Details

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