Write the characteristics


 Write the characteristics and some important uses of coal.


Characteristics of coal are as follows:

(i) It is a hard, black combustible fuel.

(ii) It is a fossil fuel.

(iii) It mainly contains carbon.

(iv) When heated in air, it burns and produces mainly carbon dioxide gas.

(v) It is a source of energy.

Some important uses of coal are as follows:

(i) It is used as a fuel in homes and industry and at thermal power plants for generating electricity.

(ii) It is used to make coal gas and coke.

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