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Question (11)

QN002821

Bauxite is the chief ore of

(A) iron
(B) aluminium
(C) copper
(D) gold

Correct Answer: B

Explanation:

Aluminium is extracted mainly from bauxite.

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Question (12)

QN002822

Which Indian state is famous for rich deposits of mica?

(A) Kerala
(B) Rajasthan
(C) Jharkhand
(D) Punjab

Correct Answer: C

Explanation:

Jharkhand has rich mica deposits.

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Question (13)

QN002823

Which mineral is widely used in electronic industries because of its semiconducting properties?

(A) Sulfur
(B) Silicon
(C) Gypsum
(D) Talc

Correct Answer: B

Explanation:

Silicon is used as a semiconductor.

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Question (14)

QN002824

Minerals found beneath Earth’s surface are extracted through

(A) filtration
(B) evaporation
(C) mining
(D) sedimentation

Correct Answer: C

Explanation:

Mining is used to extract minerals.

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Question (15)

QN002825

Which method is generally used to extract minerals found close to Earth’s surface?

(A) Deep-sea drilling
(B) Open-cast mining
(C) Fractional distillation
(D) Electrolysis

Correct Answer: B

Explanation:

Open-cast mining is used for shallow mineral deposits.

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Question (16)

QN002826

Which mineral is commonly used in making ceramic materials?

(A) Quartz
(B) Clay minerals
(C) Graphite
(D) Hematite

Correct Answer: B

Explanation:

Clay minerals are important in ceramics.

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Question (17)

QN002827

A student observes a shiny yellow mineral used in electrical wires. The metal obtained from this mineral is most likely

(A) iron
(B) copper
(C) aluminium
(D) sodium

Correct Answer: B

Explanation:

Copper is widely used in electrical wiring.

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Question (18)

QN002828

Which property helps quartz to be used in watches and clocks?

(A) Magnetic property
(B) Piezoelectric property
(C) Solubility in water
(D) Soft texture

Correct Answer: B

Explanation:

Quartz shows piezoelectric behaviour.

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Question (19)

QN002829

Which mineral is mainly used in making plaster of Paris?

(A) Talc
(B) Quartz
(C) Gypsum
(D) Graphite

Correct Answer: C

Explanation:

Plaster of Paris is prepared from gypsum.

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Question (20)

QN002830

The process of obtaining metals from their ores is called

(A) evaporation
(B) metallurgy
(C) condensation
(D) sedimentation

Correct Answer: B

Explanation:

Metallurgy involves extraction of metals from ores.

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Question (11)

Bauxite is the chief ore of

Explanation:

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Question (12)

Which Indian state is famous for rich deposits of mica?

Explanation:

Link:

Question (13)

Which mineral is widely used in electronic industries because of its semiconducting properties?

Explanation:

Link:

Question (14)

Minerals found beneath Earth’s surface are extracted through

Explanation:

Link:

Question (15)

Which method is generally used to extract minerals found close to Earth’s surface?

Explanation:

Link:

Question (16)

Which mineral is commonly used in making ceramic materials?

Explanation:

Link:

Question (17)

A student observes a shiny yellow mineral used in electrical wires. The metal obtained from this mineral is most likely

Explanation:

Link:

Question (18)

Which property helps quartz to be used in watches and clocks?

Explanation:

Link:

Question (19)

Which mineral is mainly used in making plaster of Paris?

Explanation:

Link:

Question (20)

The process of obtaining metals from their ores is called

Explanation:

Link:

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