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1 Inorganic Chemistry MCQs

Which of the following noble gases is most abundant in air?

  • Neon
  • Helium
  • Argon
  • Methane
0 Comments
Correct Answer: C. Argon

Explanation:

The correct answer is Argon. Among the noble gases, Argon is the most ... Read More Details

2 Physical Chemistry MCQs

Equal volumes of gases at the same temperature and pressure contain equal number of molecules. Which law?

  • Boyle’s Law
  • Charles’ Law
  • Gay-Lussac’s Law
  • Avogadro’s Law
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Correct Answer: D. Avogadro’s Law

Explanation:

The correct answer is Avogadro’s Law. This fundamental gas law explains that equal ... Read More Details

3 Physical Chemistry MCQs

At constant pressure, gas volume is directly proportional to Kelvin temperature. Which law?

  • Charles’ Law
  • Avogadro’s Law
  • Graham’s Law
  • Boyle’s Law
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Correct Answer: A. Charles’ Law

Explanation:

The correct answer is Charles’ Law. This law describes the direct relationship between ... Read More Details

4 Physical Chemistry MCQs

Which law states that the rate of effusion of a gas is inversely proportional to the square root of its density?

  • Graham’s Law
  • Gay-Lussac’s Law
  • Boyle’s Law
  • None of these
0 Comments
Correct Answer: A. Graham’s Law

Explanation:

Graham’s Law of Effusion is a fundamental principle in physical chemistry that explains ... Read More Details

5 Organic Chemistry MCQs

What is the valency of a carbon atom?

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

Explanation:

The concept of valency refers to the combining capacity of an atom, which ... Read More Details

6 Inorganic Chemistry MCQs

What is the chemical formula of Zinc Hydroxide?

  • Zn(OH)₂
  • ZnO₂
  • Zn₂(OH)₃
  • ZnOH
0 Comments
Correct Answer: A. Zn(OH)₂

Explanation:

Zinc hydroxide is an inorganic compound formed when zinc ions (Zn²⁺) combine with ... Read More Details

7 Environmental Chemistry MCQs

Permanent hardness of water, caused by the sulphates of metals, can be removed by using ________?

  • Zeolites
  • Sulphonides
  • Lime
  • Nitrates
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Correct Answer: A. Zeolites

Explanation:

Water hardness is caused by the presence of dissolved salts of calcium and ... Read More Details

8 Inorganic Chemistry MCQs

Which of the following is not a property of an ionic bond?

  • Sharing of electrons
  • Transfer of electrons
  • Losing of electrons
  • Gaining of electrons
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Correct Answer: A. Sharing of electrons

Explanation:

An ionic bond is a type of chemical bond formed when one atom ... Read More Details

9 PERA MCQ's

The Punjab Enforcement and Regulation Bill 2024 was passed by the Punjab Assembly on:

  • 9 October 2024
  • 11 October 2024
  • 16 October 2024
  • 17 October 2024
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Correct Answer: B. 11 October 2024

Explanation:

The Punjab Enforcement and Regulation Bill 2024 was passed by the Punjab Assembly on 11 ... Read More Details

10 Criminal Procedure Code (CrPC) 1898 MCQs

The words “imprisonment for life” in Section 46(3) of the Code of Criminal Procedure (CrPC) were inserted by which legislative amendment?

  • Act II of 1923
  • Act XXV of 1974
  • Act V of 1898
  • Act VIII of 1965
0 Comments
Correct Answer: B. Act XXV of 1974

Explanation:

The original text of Section 46(3) of the Code of Criminal Procedure, 1898, allowed the ... Read More Details

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