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Question
Write short notes on the following.
Coal
Write short notes on the following.
Coal
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Solution
- Coal is a black or brownish black sedimentary rock that can be burned as fuel to generate electricity.
- It is mainly composed of carbon and hydrocarbons, and contains the energy released by combustion.
- Coal is classified into four main types, or ranks: anthracite, bituminous, lignite and peat.
- Coal is a black or brownish black sedimentary rock that can be burned as fuel to generate electricity.
- It is mainly composed of carbon and hydrocarbons, and contains the energy released by combustion.
- Coal is classified into four main types, or ranks: anthracite, bituminous, lignite and peat.
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