Expand CNG and write its main components.

Important Questions on Coal and Petroleum

EASY

8th CBSE

IMPORTANT

ThinkTrail CURIOSITY CHRONICLES A Coursebook For Science Grade 8>Chapter 3 - Coal and Petroleum>Q 90

Choose the appropriate word from the given options:

Name a fuel in the form of gas. (Natural gas/Petrol)

MEDIUM

8th CBSE

IMPORTANT

ThinkTrail CURIOSITY CHRONICLES A Coursebook For Science Grade 8>Chapter 3 - Coal and Petroleum>Q 91

Which among the following is the cleanest fuel?

EASY

8th CBSE

IMPORTANT

ThinkTrail CURIOSITY CHRONICLES A Coursebook For Science Grade 8>Chapter 3 - Coal and Petroleum>Q 92

Name the major component of natural gas. (Carbon dioxide/Methane)

MEDIUM

8th CBSE

IMPORTANT

ThinkTrail CURIOSITY CHRONICLES A Coursebook For Science Grade 8>Chapter 3 - Coal and Petroleum>Q 93

Which is the major component of CNG?

MEDIUM

8th CBSE

IMPORTANT

ThinkTrail CURIOSITY CHRONICLES A Coursebook For Science Grade 8>Chapter 3 - Coal and Petroleum>Q 94

The gas which occurs above the petroleum oil trapped under the rock is called:

HARD

8th CBSE

IMPORTANT

ThinkTrail CURIOSITY CHRONICLES A Coursebook For Science Grade 8>Chapter 3 - Coal and Petroleum>Q 95

The fossil fuel P is formed under the earth by the decomposition of vegetable matter lying under water by the action of anaerobic bacteria. The major component of fuel P is Q. The fossil fuel P is used as a source of gas R needed to manufacture nitrogenous fertilisers. When P is filled in metal cylinders and used as fuel in motor vehicles, it is called S. What are P, Q, R and S?

MEDIUM

8th CBSE

IMPORTANT

ThinkTrail CURIOSITY CHRONICLES A Coursebook For Science Grade 8>Chapter 3 - Coal and Petroleum>Q 96

Why are natural gas and petroleum gas compressed and made into liquids for use?

EASY

8th CBSE

IMPORTANT

ThinkTrail CURIOSITY CHRONICLES A Coursebook For Science Grade 8>Chapter 3 - Coal and Petroleum>Q 97

Natural gas mainly consists of methane.