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Question
Lignite, bituminous and anthracite are different ranks of:
Lignite, bituminous and anthracite are different ranks of:
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Solution
The correct option is B coal
Lignite, bituminous and anthracite are different ranks of coal. Coal is classified on the basis of its rank. The rank of coal denotes its degree of maturity. Vegetable matter, under the action of pressure, heat and anaerobic conditions, gets converted into different stages of coal namely:
Wood → Peat → lignite → sub-bituminous coal → bituminous coal → anthracite.
Lignite, bituminous and anthracite are different ranks of coal. Coal is classified on the basis of its rank. The rank of coal denotes its degree of maturity. Vegetable matter, under the action of pressure, heat and anaerobic conditions, gets converted into different stages of coal namely:
Wood → Peat → lignite → sub-bituminous coal → bituminous coal → anthracite.
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