What are the uses of bitumen, paraffin wax and lubricating oil.
(i) Bitumen : It is used in paints as well as in road surfacing.
(ii) Paraffin Wax : It is used in making ointment, candles, vaseline, etc.
(iii) Lubricating Oil : It is used in the process of lubricating of machine parts.
Why can’t we prepare petroleum in our laboratories ?
Name three constituents of petroleum and give their uses.
What precautionary measures can we take to conserve petrol/diesel ?
Write two differences between Exhaustible and Inexhaustible resources.
