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Defination of coal

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Defination of coal

    • Posted by Snehal Patil 4 years, 11 months ago

    CBSE > Class 08 > Science
    • 3 answers

    Anannya Mahato 4 years, 11 months ago

    A type of black mineral that is dug(mined) from the ground and burned to give heat.

    0Thank You

    Aatman Gor 4 years, 11 months ago

    Coal is a hard rock which can be burned as a solid fossil fuel. It is mostly carbon but also contains hydrogen, sulphur, oxygen and nitrogen. It is a sedimentary rock formed from peat, by the pressure of rocks laid down later on top.

    1Thank You

    Yogita Ingle 4 years, 11 months ago

    Coal is a fossil fuel, that was formed by the decay of vegetation, which existed millions of years ago. It is a non-crystalline form of carbon. Carbonisation: The slow process of conversion of dead vegetations into coal is called carbonisation.

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