Question

Identify the incorrect statement from the following-
Lubricating oil is used in candles, ointment and vaseline
Wax vapours burn in a candle flame not the liquid or solid wax.
Ideal fuel should cause pollution.
Bituminous coal is used to produce coke.​

Answer 1

Answer:

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.