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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 Chemistry MCQs

Non-stick cooking utensils are coated with which substance?

  • Black paint
  • PVC
  • Teflon
  • Polystyrene
0 Comments
Correct Answer: C. Teflon

Explanation:

Non-stick cooking utensils are coated with Teflon, a synthetic polymer known for its ... Read More Details

2 Chemistry MCQs

Which metals are the main ingredients of gun metal?

  • Iron, Zinc, and Titanium
  • Iron and Tin
  • Iron, Brass, and Tin
  • Copper, Tin, and Zinc
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Correct Answer: D. Copper, Tin, and Zinc

Explanation:

Gun metal is a type of alloy, which is a mixture of metals ... Read More Details

3 Chemistry MCQs

What is the chemical symbol for Tungsten?

  • Z
  • T
  • Tn
  • W
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Correct Answer: D. W

Explanation:

Tungsten is a chemical element that belongs to the transition metals in the ... Read More Details

4 Chemistry MCQs

Who first gave the name “Atom”?

  • Democritus
  • Bohr
  • Rutherford
  • Archimedes
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Correct Answer: A. Democritus

Explanation:

The term “atom” was first introduced by the ancient Greek philosopher Democritus around ... Read More Details

5 Chemistry MCQs

Which gas is an example of a monoatomic molecule?

  • Nitrogen
  • Hydrogen
  • Neon and Argon
  • Oxygen and Nitrogen
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Correct Answer: C. Neon and Argon

Explanation:

A monoatomic molecule is a molecule that consists of only a single atom. ... Read More Details

6 Chemistry MCQs

Which element in the Periodic Table is the strongest reducing agent?

  • Chlorine
  • Lithium
  • Helium
  • Neon
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Correct Answer: B. Lithium

Explanation:

In chemistry, a reducing agent is a substance that donates electrons to another ... Read More Details

7 Chemistry MCQs

The main constituent of biogas is ?

  • Methane
  • Hydrogen
  • Oxygen
  • Carbon dioxide
0 Comments
Correct Answer: A. Methane

Explanation:

Biogas is a renewable energy source produced through the anaerobic decomposition (breakdown in ... Read More Details

8 Chemistry MCQs

The natural source of hydrocarbons is:

  • Crude oil
  • Biomass
  • Coal
  • Carbohydrates
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Correct Answer: A. Crude oil

Explanation:

Hydrocarbons are organic compounds made up of hydrogen and carbon atoms. They serve ... Read More Details

9 Chemistry MCQs

Aviation fuel for jet airplanes consists of purified ?

  • Petrol
  • Kerosene
  • Gasoline
  • Diesel
0 Comments
Correct Answer: B. Kerosene

Explanation:

Jet airplanes require a fuel that burns efficiently at high altitudes and provides ... Read More Details

10 Chemistry MCQs

Which of the following is commonly used as a lubricant?

  • Graphite
  • Silica
  • Diamond
  • Iron oxide
0 Comments
Correct Answer: A. Graphite

Explanation:

Lubricants are substances used to reduce friction and wear between moving surfaces. They ... Read More Details

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