Manganese is used in ______.

(a)

Storage batteries

(b)

Steel Making

(c)

Copper smelting

(d)

Petroleum Refining

The Anthracite coal has _____________.

(a)

80 to 90% Carbon

(b)

Above 70% Carbon

(c)

60 to 70% Carbon

(d)

Below 50% Carbon

The most important constituents of petroleum are hydrogen and ____________.

(a)

Oxygen

(b)

Water

(c)

Carbon

(d)

Nitrogen

The famous Sindri Fertilizer Plant is located in

(a)

Jharkhand

(b)

Bihar

(c)

Rajasthan

(d)

Assam

Name the states that lead in the production of Iron ore in India.

What is natural gas?

Name the important oil producing regions of India.

____________ is a good quality mica.

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Abhrak

Detroit of India

(1)

Chennai

Thermal power plant

(2)

Kanniyakumari

Wind farm

(3)

Andhra Pradesh

Solar power

(4)

Abhrak

Write an account on the major iron and steel industries of India.

Iron ore production centres.