MEDIUM
8th CBSE
IMPORTANT
Earn 100

Petrol and diesel are obtained from a natural resource called .

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Important Questions on Coal and Petroleum

MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Coal and Petroleum>Exercise>Q 2
_____ is a mixture of around 200 substances.
MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Coal and Petroleum>Exercise>Q 3
_____ is the process of separating the different fractions of petroleum. 
MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Coal and Petroleum>Exercise>Q 4
Kerosene is a _____ of petroleum.
MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Coal and Petroleum>Exercise>Q 5
We should ensure correct _____ pressure to conserve fuels. 
MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Coal and Petroleum>Exercise>Q 1

What is the slow process of conversion of dead vegetation into coal called?

MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Coal and Petroleum>Exercise>Q 2
Name the black and thick liquid having an unpleasant odour obtained from coal.
MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Coal and Petroleum>Exercise>Q 3

Give one word for the following:

Almost a pure form of carbon having tough and porous structure.

MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 5 - Coal and Petroleum>Exercise>Q 4
Name the process of separating various constituents of petroleum.