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Inorganic Chemistry MCQs

Master fundamental concepts of Inorganic Chemistry with our topic-wise Inorganic Chemistry MCQs, ideal for students and professionals preparing for competitive exams. These multiple-choice questions cover periodic table trends, chemical bonding, coordination compounds, transition elements, acids and bases, oxidation states, group properties, metallurgy, salt analysis, and qualitative inorganic analysis. Perfect for candidates appearing in PPSC, FPSC, CSS, NTS, SPSC, BPSC, KPSC, ETEA, AJKPSC, and exams for Lecturer Chemistry, laboratory analyst roles, and BSc/MSc Chemistry programs.

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1 Inorganic Chemistry MCQs

What is the molecular weight of Ammonia (NH₃)?

  • 17.031 g/mol
  • 18.031 g/mol
  • 19.031 g/mol
  • 27.033 g/mol
0 Comments
Correct Answer: A. 17.031 g/mol

Explanation:

Ammonia (NH₃) is a simple nitrogen-containing compound widely used in fertilizers, cleaning products, ... Read More Details

2 Inorganic Chemistry MCQs

The absolute value of charge on an electron was determined by __________?

  • J.J. Thomson
  • Chadwick
  • Rutherford
  • Robert Millikan
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Correct Answer: D. Robert Millikan

Explanation:

The absolute charge of an electron was determined by Robert Millikan through his ... Read More Details

3 Inorganic Chemistry MCQs

The discovery of the neutron was delayed because __________?

  • It does not carry any charge
  • It does not move
  • It is a fundamental particle
  • It is present in the nucleus
0 Comments
Correct Answer: A. It does not carry any charge

Explanation:

The neutron is a subatomic particle found in the nucleus of an atom ... Read More Details

4 Inorganic Chemistry MCQs

What is the molecular formula of Nitric acid?

  • HNO₂
  • HNO₃
  • HN₂O₂
  • H₂NO₄
0 Comments
Correct Answer: B. HNO₃

Explanation:

Nitric acid is a strong inorganic acid widely used in laboratories, chemical synthesis, ... Read More Details

5 Inorganic Chemistry MCQs

What is the molecular weight of Nitric acid (HNO₃)?

  • 63.012 g/mol
  • 65.012 g/mol
  • 70.012 g/mol
  • 81.011 g/mol
0 Comments
Correct Answer: A. 63.012 g/mol

Explanation:

The molecular formula of Nitric acid is HNO₃, consisting of 1 hydrogen atom ... Read More Details

6 Inorganic Chemistry MCQs

Stainless steel contains which of the following elements?

  • Fe + Cr + Ni
  • Fe + Ni + Cu
  • Fe + Cr + Cu
  • Cu + C + Ni
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Correct Answer: A. Fe + Cr + Ni

Explanation:

Stainless steel is an iron-based alloy that is highly resistant to corrosion and ... Read More Details

7 Inorganic Chemistry MCQs

In wrought iron, carbon is present as ?

  • Silicon carbide
  • Iron carbide
  • Graphite
  • Partly as iron carbide and partly as graphite
0 Comments
Correct Answer: B. Iron carbide

Explanation:

Wrought iron is a type of iron alloy that contains a very low ... Read More Details

8 Inorganic Chemistry MCQs

If steel is heated to a temperature below red heat and then cooled slowly, what is this process called?

  • Annealing
  • Quenching
  • Tempering
  • Nitriding
0 Comments
Correct Answer: A. Annealing

Explanation:

Annealing is a heat treatment process applied to steel and other metals to ... Read More Details

9 Inorganic Chemistry MCQs

Which of the following elements is used in cancer therapy?

  • Iron (Fe)
  • Cobalt (Co)
  • Nickel (Ni)
  • Radon (Rn)
0 Comments
Correct Answer: B. Cobalt (Co)

Explanation:

Cobalt (Co) is a transition metal that has important applications in cancer therapy, ... Read More Details

10 Inorganic Chemistry MCQs

Which of the following is not a common property of transition elements?

  • Variable oxidation states
  • Natural radioactivity
  • Tendency to form complexes
  • Formation of alloys
0 Comments
Correct Answer: B. Natural radioactivity

Explanation:

Transition elements are d-block elements in the periodic table, characterized by partially filled ... Read More Details

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