Why is petroleum called 'black gold'?

Important Questions on Coal and Petroleum

MEDIUM

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 5 - Coal and Petroleum>NUT Cracker>Q 4

List the tips issued by the Petroleum Conservation Research Association (PCRA) on saving petrol or diesel.

EASY

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 5 - Coal and Petroleum>NaTTY NUT>Q II

Coke is a better fuel than coal.

EASY

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 5 - Coal and Petroleum>NaTTY NUT>Q II

Hydrocarbons with the highest boiling point collect at the top of the fractionating tower.

MEDIUM

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 5 - Coal and Petroleum>NaTTY NUT>Q II

Petroleum is heavier than water.

HARD

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 5 - Coal and Petroleum>NaTTY NUT>Q II

Peat is the precursor of coal.

EASY

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 5 - Coal and Petroleum>NaTTY NUT>Q II

Coke burns without producing any smoke.

MEDIUM

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 5 - Coal and Petroleum>NaTTY NUT>Q III

Crude petroleum oil is a complex mixture of:

EASY

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 5 - Coal and Petroleum>NaTTY NUT>Q III

One of the following is used for water-proofing the roofs of buildings.