give three features of coal ? class 10
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Answer:
1. black colour and metallic lustre
2.water and is less sufficient of heat
3.lignite coal, or brown coal is a very soft coal
69% and 89% carbon weight
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coal is very important ..it is non renewable source of energy..
coal is used in industry for melting ores
coal helps in burning of traditional gas
coal is used in bricks chimney to make bricks
coal is black
types of coal
peat bituminus
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