Question

Write the characteristics and some important uses of coal
NCERT Class VIII
Science - Exemplar Problems
Chapter 5. Coal and Petroleum

Answer 1

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Coal is black in colour and hard as stone. It is one of the fuels use to cook food. Earlier it was used in railway engines to produce steam to run the engine. It is used as fuel in thermal power plants to produce electricity and in various other industries.

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Answer 2

coal is black in colour and hard as stone it is one of the fuels used to cook food earlier it was used in railway engines to produce steam to run the engine it is used to fuel in thermal power plants to produce electricity and in various other industries.