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Mineral Resources Of India
State two reasons why limestone is a valuable mineral.
Limestone is a valuable mineral because of the following reasons:
i. It is used as a flux in the iron and steel industry.
ii. It is also used in the cement industry.
State the most important use of the following:
i. Iron Ore
ii. Bauxite
i. Iron ore: It is used to extract steel, which in turn is used as raw materials in various industries.
ii. Bauxite: It is the main source of aluminium, which is used in the manufacturing of aircrafts, automobiles, rail wagons and shipping industries.
Name the:
i. The largest oil refinery in the public sector
ii. State that is the largest producer of coal
iii. Best variety of iron ore
i. Indian Oil Corporation Limited
ii. Jharkhand
iii. Magnetite
Give a geographic reason for each of the following:
i. Many port cities have their own oil refineries.
ii. Petroleum is called the ‘fossil fuel’.
iii. Coal is called a versatile mineral.
ii. Petroleum is called a fossil fuel as it was formed millions of years ago when plants and animals were buried deep under the surface of the Earth. Due to the great amount of heat and pressure, they were transformed into fossils.
iii. Coal is called a versatile mineral because it is used for many purposes. Besides being used in the generation of electricity it is also used for manufacturing iron and steel and as an important source of heat in rural households. It is also used for running trains, ships and in dynamos.
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Mock Test Series
Mock Test Series