The constituent of petroleum used for road surfacing is
(1) Bitumen (2) Coal tar
(3) Charcoal (4) Paraffin
Answers
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4
Coal tar is the correct answer
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5
Answer:
Option 1 – Bitumen.
Explanation:
It is a black, sticky and viscous material obtained from petroleum. In some cases, it is also found as natural deposits in liquid or semi-solid form. Bitumen is also known by the name of Asphalt. It serves mainly as a binding agent in road construction, holding together sand and other larger particles, such as stones etc. Another use of bitumen is for waterproofing of roofs.
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