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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

Sulphur dioxide (SO₂) reacts with chlorine (Cl₂) in sunlight to form:

  • Sulphur dioxide
  • Sulphuryl chloride
  • Sulphanyl chloride
  • All of the above
0 Comments
Correct Answer: B. Sulphuryl chloride

Explanation:

Sulphur dioxide (SO₂) is an acidic oxide of sulfur, while chlorine (Cl₂) is ... Read More Details

2 Inorganic Chemistry MCQs

In which compound is the oxidation state of phosphorus +1?

  • H₃PO₃
  • H₃PO₄
  • H₃PO₂
  • H₂P₂O₇
0 Comments
Correct Answer: C. H₃PO₂

Explanation:

Oxidation states help us understand electron distribution in compounds. In phosphorus oxoacids, phosphorus ... Read More Details

3 Inorganic Chemistry MCQs

Why is Potassium Permanganate (KMnO₄) used to purify drinking water?

  • It is a sterilising agent
  • It dissolves the impurities of water
  • It is a reducing agent
  • It is an oxidising agent
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Correct Answer: D. It is an oxidising agent

Explanation:

Potassium Permanganate (KMnO₄) is a dark purple inorganic compound commonly used in water ... Read More Details

4 Inorganic Chemistry MCQs

The purpose of smelting an ore is to __________?

  • Reduce it
  • Oxidize it
  • Obtain an alloy
  • Separate volatile impurities
0 Comments
Correct Answer: A. Reduce it

Explanation:

Smelting is a fundamental process in metallurgy used to extract metals from their ... Read More Details

5 Inorganic Chemistry MCQs

Which oxide of manganese is amphoteric?

  • MnO₂
  • Mn₂O₃
  • Mn₂O₇
  • MnO
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Correct Answer: A. MnO₂

Explanation:

Manganese oxides exhibit a variety of chemical behaviors depending on their oxidation states. ... Read More Details

6 Inorganic Chemistry MCQs

A process used for the concentration of ore is __________?

  • Roasting
  • Froth flotation
  • Electrolysis
  • Distillation
0 Comments
Correct Answer: B. Froth flotation

Explanation:

Ore concentration is an essential step in metallurgy, where the valuable metal-containing minerals ... Read More Details

7 Inorganic Chemistry MCQs

Which metal is commonly used as a reducing agent in smelting?

  • Carbon (C)
  • Zinc (Zn)
  • Aluminium (Al)
  • Copper (Cu)
0 Comments
Correct Answer: A. Carbon (C)

Explanation:

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

8 Inorganic Chemistry MCQs

Parke’s process is used in the extraction of __________?

  • Iron
  • Sodium
  • Silver
  • Zinc
0 Comments
Correct Answer: C. Silver

Explanation:

Parke’s process is an important method used in metallurgy for the extraction of ... Read More Details

9 Inorganic Chemistry MCQs

During the melting of iron, which reaction takes place in a Blast Furnace at 400°C–600°C?

  • CaO + SiO₂ → CaSiO₃
  • 2FeS + 3O₂ → 2Fe + 2SO₂
  • FeSiO₃ → FeSiO₃
  • Fe₂O₃ + 3CO → 2Fe + 3CO₂
0 Comments
Correct Answer: D. Fe₂O₃ + 3CO → 2Fe + 3CO₂

Explanation:

Iron extraction in a blast furnace is a key process in metallurgy and ... Read More Details

10 Inorganic Chemistry MCQs

Gypsum is chemically represented as __________?

  • CaSO₄
  • CaSO₄·½H₂O
  • CaSO₄·2H₂O
  • CaSO₄·3H₂O
0 Comments
Correct Answer: C. CaSO₄·2H₂O

Explanation:

Gypsum is a naturally occurring mineral widely used in construction, agriculture, and industry. ... Read More Details

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