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Topic Content:
- Meaning of Coal
- Types of Coal
- Uses of Coal
Coal is an impure form of carbon. It was formed by the gradual decomposition of plants and animals.
Carbon (IV) oxide, methane, and steam were liberated, leaving behind a material that contained a very high percentage of carbon.
During this process of carbonization, the vegetable material was converted in stages into peat, lignite, bituminous, and anthracite.
Types of Coal:
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