NCERT Question 5 - Chapter 5 Class 8 - Coal And Petroleum

False

Fossil Fuels are those fuels or resources which are obtained from dead plants and animals million of years
Ago. This is due to decomposition under high temperature, pressure and absense of air. Such conditions cannot be replicated in the laboratory.

False

CNG causes less pollution(it does not produce smoke on burning)

True

Yes, coke is a pure form of carbon

True

Yes, Coal Tar is a mixture of 200 different substances like naphthalene,benzene etc

False

Kerosene is a fossil fuel because it is a by product of petroleum