Question

why is coal tar made on roads amd not mud​

Answer 1

Answer:

soil will absorber water from the atmosphere it will swell and the pavement get failed. Hence Failure of Road due to water in not due to Col- Tar (Bituminous) or Cement it is due to Soil base course

Answer 2

Hii there

here is your answer

Coal tar is used to protect and beautify the underlying pavement. Coal is also used to make parking lot seal – coat products. Roads are made with the use of coal tar. Coal tar is flammable in nature.

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