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Coal

is a grade be...

Question

____________ is a grade between bituminous coal and anthracite.

A

steam coal

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B

sea coal

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C

both A and B

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D

none of these

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Solution

The correct option is C both A and B
The rank of coal is based on the degree to which the original plant material is converted into carbon. There are four types of coal-
(i) Anthracite
(ii) Bituminous
(iii) Sub-bituminous
(iv) Lignite
While, steam coal and sea coal is grade between bituminous coal and anthracite.

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