2
Question
Anthracite, bituminous, lignite and peat are different types of ___________.
Anthracite, bituminous, lignite and peat are different types of ___________.
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Solution
The correct option is C coal
Coal is basically a carbonate sedimentary rock. Coal is a source of power. On the basis of iron contained, coal is classified as peat, lignite, bituminous and anthracite. The formation of coal takes a very long time. The first stage of its formation is peat. Peat is normally used as domestic fuel as its heating capacity is low. Lignite being the second stage and carbon content is below 50%. Bituminous has carbon content ranging from 70% 85%. Nearly 80% of world's coal is of this type. Anthracite is best quality coal and 90% of carbon.
Coal is basically a carbonate sedimentary rock. Coal is a source of power. On the basis of iron contained, coal is classified as peat, lignite, bituminous and anthracite. The formation of coal takes a very long time. The first stage of its formation is peat. Peat is normally used as domestic fuel as its heating capacity is low. Lignite being the second stage and carbon content is below 50%. Bituminous has carbon content ranging from 70% 85%. Nearly 80% of world's coal is of this type. Anthracite is best quality coal and 90% of carbon.
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