1.
Which of the following is a non-metallic mineral?
A
Iron ore
B
Mica
C
Copper
D
Zinc
View Answer
Correct Answer: B — Mica
Explanation:
Mica is a non-metallic mineral widely used in electrical and electronic industries.
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7 practice sets · Page 1 of 1
Which of the following is a non-metallic mineral?
Iron ore
Mica
Copper
Zinc
Correct Answer: B — Mica
Explanation:
Mica is a non-metallic mineral widely used in electrical and electronic industries.
Which of the following is not a primary use of bauxite?
Manufacturing of chemical products
Fertilizer production
Making cement
Aluminium production
Correct Answer: C — Making cement
Explanation:
Bauxite is mainly used in aluminium production and chemical industries, not in cement manufacturing.
Which region is known as the storehouse of minerals in India?
Western Ghats
Chota Nagpur Plateau
Eastern Coastal Plains
Thar Desert
Correct Answer: B — Chota Nagpur Plateau
Explanation:
The Chota Nagpur Plateau contains rich deposits of coal, iron ore, mica, and other minerals.
What is lignite?
A high-quality iron ore
A volcanic rock
A low-grade brown coal
A type of copper ore
Correct Answer: C — A low-grade brown coal
Explanation:
Lignite is a low-grade brown coal with high moisture content.
In which type of rock is coal found?
Igneous
Metamorphic
Volcanic
Sedimentary
Correct Answer: D — Sedimentary
Explanation:
Coal is found in sedimentary rocks formed from compressed plant remains.
Which mineral is formed by the decomposition of surface rocks?
Bauxite
Gold
Coal
Zinc
Correct Answer: A — Bauxite
Explanation:
Bauxite forms through the decomposition and weathering of surface rocks.
Which mineral is the hardest known natural substance?
Graphite
Diamond
Quartz
Talc
Correct Answer: B — Diamond
Explanation:
Diamond is the hardest naturally occurring mineral.