Question

2. Name the petroleum product used for metalling the road in place of coal tar.​

Answer 1

Answer:

Bitumen

Bitumen is used for metalling the roads these days in place of coal tar.

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Answer 2

Answer:

Bitumen

Explanation:

These days, bitumen, a petroleum product, is used in place of coal-tar for metalling the roads. When heated in air, coal burns and produces mainly carbon dioxide gas.