Question
Write the characteristics and some important uses of coal.

Answer

Characteristics of coal are as follows:
$-$It is a hard, black combustible fuel.
$-$It is a fossil fuel.
$-$It mainly contains carbon.
$-$When heated in air, it burns and produces mainly carbon dioxide gas.
$-$It is a source of energy.
Some important uses of coal are as follows:
$-$It is used as a fuel in homes and industry and at thermal power plants for generating electricity.
$-$It is used to make coal gas and coke.

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