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1 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

2 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

3 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

4 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

5 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

6 Inorganic Chemistry MCQs

The basicity of orthophosphoric acid (H₃PO₄) is __________?

  • 2
  • 3
  • 4
  • 5
0 Comments
Correct Answer: B. 3

Explanation:

Orthophosphoric acid (H₃PO₄), also called phosphoric acid, is a triprotic acid, meaning it ... Read More Details

7 Inorganic Chemistry MCQs

Cerium (Ce, atomic number 58) is a member of which block of elements?

  • S-block
  • P-block
  • D-block
  • F-block
0 Comments
Correct Answer: D. F-block

Explanation:

Cerium (Ce), with atomic number 58, is a member of the f-block elements, ... Read More Details

8 Inorganic Chemistry MCQs

The electronic configuration of a calcium (Ca) atom can be written as __________?

  • [Ne] 4p²
  • [Ar] 4s²
  • [Ne] 4s²
  • [Kr] 4p²
0 Comments
Correct Answer: B. [Ar] 4s²

Explanation:

The electronic configuration of an atom shows the distribution of electrons in its ... Read More Details

9 Physical Chemistry MCQs

A 10-volume solution of H₂O₂ means ?

  • 10 grams of H₂O₂ solution liberate 10 mL of O₂ at STP
  • 10 gram equivalents of H₂O₂ liberate 10 mL of O₂ at STP
  • 10 litres of H₂O₂ liberate 19 mL of O₂ at STP
  • 1 mL of solution of H₂O₂ liberates 10 mL of O₂ at STP
0 Comments
Correct Answer: D. 1 mL of solution of H₂O₂ liberates 10 mL of O₂ at STP

Explanation:

The volume strength of a hydrogen peroxide (H₂O₂) solution is a measure of ... Read More Details

10 Physical Chemistry MCQs

The volume strength of a 1.5 N H₂O₂ solution is __________?

  • 4.8
  • 5.2
  • 8.8
  • 8.4
0 Comments
Correct Answer: D. 8.4

Explanation:

Volume strength is a measure of the oxidizing power of hydrogen peroxide (H₂O₂) ... Read More Details

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