(iv) Mica
(iv) Mica
Multiple Choice Questions:
a) Which of these is a metallic mineral?
(i) Copper
(ii) Coal
(iii) Petroleum
) India is the largest producer of which of these minerals?
(i)
Coal
(ii) Petroleum (iii) Copper
c) Which of these states has large deposits of iron?
(i) Madhya Pradesh (ii) Odisha
(iii) Punjab
Aluminium is used for making:
(i) plastics
(ii) aeroplanes (iii) ornaments
-) Jamshedpur, Rourkela, Bhilai and Durgapur have
(i) copper
(ii) iron and steel
(iii) gold
ery Short Answer Questions:
the first metal to be used by humans?
(iv) Haryana
(iv) crude oil
plants.
(iv) natural gas
Answers
Answer:
A) Copper
Copper is a chemical element with the symbol Cu (from Latin: cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color.
B) Copper
The major copper mines are the Khetri copper belt in Rajasthan, Singhbhum copper belt in Jharkhand and Malanjkhand copper belt in Madhya Pradesh which are mined by HCL; Singhbhum belt is mined by M/s Indian Copper Complex.
C) Odisha
Odisha is the largest producer of Iron ore in India. Odisha accounts for over half of India’s iron ore production, produced 120 million tonnes during the 2019/2020 year.
D) Aluminium
Aluminum is ideal for aircraft manufacture because it’s lightweight and strong. Aluminum is roughly a third the weight of steel, allowing an aircraft to carry more weight and or become more fuel efficient. Furthermore, aluminum’s high resistance to corrosion ensures the safety of the aircraft and its passengers.
E) Iron and steel
The iron and steel industries are among the most important industries in India. India replaces Japan as second top steel producer in January,2019.