Question

What happens when coal is heated in air ? State the uses of coal​

Answer 1

Answer:

When heated in air, coal burns and produces mainly carbon dioxide gas. Coal can be processed in industry to get some useful products such as coke, coal tar and coal gas. Coal is used as a fuel in industries and was used to cook food.

Explanation:

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Answer 2

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If coal is heated in the presence of air, then coal burns to produce mainly carbon dioxide gas and no other useful products were obtained.

Uses of coal:-

• It is used as a fuel in homes and industry.
• It is used as a fuel at thermal power plants for generating electricity.
• It is used to make coal gas which is an important industrial fuel.
• It is used to make coke.

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