Question

_________oil is smelly,thick,dark coloured liquid​

Answer 1

Answer:

Petroleum is a dark oily liquid. It has an unpleasant odour. It is a mixture of various constituents such as petroleum gas, petrol, diesel, lubricating oil, paraffin wax, etc. The process of separating the various constituents/ fractions of petroleum is known as refining.

Explanation:

Everyone gives me only 30 thanks and take 60 points within 10 minutes

Answer 2

Answer:

Petroleum...... ........