MEDIUM
8th CBSE
IMPORTANT
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Coke is an almost pure form of carbon.

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Important Questions on Coal and Petroleum

MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Very Short Answer Type Questions>Q 22
Coal tar is a mixture of various substances. 
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Very Short Answer Type Questions>Q 22
Kerosene is not a fossil fuel.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Very Short Answer Type Questions>Q 22
CNG is more polluting than petrol. 
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Very Short Answer Type Questions>Q 22
Fossil fuels can be made in the laboratory in an economical manner.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Very Short Answer Type Questions>Q 23
Coal contains mainly _____. 
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Very Short Answer Type Questions>Q 23
The slow process of conversion of dead vegetation into coal is called _____.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Very Short Answer Type Questions>Q 23
The process of separation of different constituents from petroleum is called _____.(filtration/refining/concentration)
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Very Short Answer Type Questions>Q 23
The least polluting fuel for vehicles is _____.