MEDIUM
8th CBSE
IMPORTANT
Earn 100

Give five steps to reduce energy crisis.

Important Questions on Coal and Petroleum

HARD
8th CBSE
IMPORTANT
What is conservation of energy? Why conservation of energy is important?
HARD
8th CBSE
IMPORTANT
Name the chief composition of natural gas. In what way is natural gas a better fuel than the others?
MEDIUM
8th CBSE
IMPORTANT
What are petrochemicals? What are their uses?
MEDIUM
8th CBSE
IMPORTANT
What are the five main products obtained and uses of fractional distillation of crude oil?
MEDIUM
8th CBSE
IMPORTANT
Why is one advised not to use telephone or lighter at the petrol pump? 'Which property of petrol does it signify?
MEDIUM
8th CBSE
IMPORTANT
Do you think crude oil extraction affects the environment? Justify.