Q.

The petroleum product that has replaced coal-tar for metalling the road is:

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a

Pit

b

Bitumen

c

Lignite

d

Anthracite

answer is B.

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Detailed Solution

Bitumen has taken the place of coal tar in the process of metalizing the road. Compared to coal tar, which rapidly warms up and damages car tyres, bitumen offers superior traction for tyre tread.

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