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8th CBSE
IMPORTANT
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Which is the major component of CNG?

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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>Multiple Choice Questions (MCQs)>Q 49
The gas which occurs above the petroleum oil trapped under the rock is called:
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Multiple Choice Questions (MCQs)>Q 50
Which of the following is being used as a source of hydrogen gas needed to manufacture fertilisers?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Multiple Choice Questions (MCQs)>Q 51
One of the following is not an exhaustible source of energy. This one is:
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Multiple Choice Questions (MCQs)>Q 52
The slow process by which the large land plants and trees buried deep under the earth have become coal is called:
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Multiple Choice Questions (MCQs)>Q 53
Which of the following is used as a reducing agent in the extraction of iron metal?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Multiple Choice Questions (MCQs)>Q 54
Which of the following is usually referred to as 'black gold' ?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Multiple Choice Questions (MCQs)>Q 55
The various compounds present in coal tar are separated by the process of:
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 5 - Coal and Petroleum>Multiple Choice Questions (MCQs)>Q 56
Which of the following is not obtained as a fraction during the refining of petroleum?