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Earn 100

What are the different types of coal?

Important Questions on Carbon and its Compounds

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Coal and charcoal are _____ forms of carbon. (amorphous/crystalline)

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_____ is a tough, porous, black substance obtained from heating coal in the absence of air.
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Lampblack, charcoal and coal are _____forms of carbon.(amorphous/crystalline)
 
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_____ is obtained after the processing of coal and is used widely to manufacture steel.
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Coal is mainly made up of the element _____.

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During the processing of coal to get coke, coal tar and _____ are also obtained.
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The least carbon content is found in _____ type of coal.
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_____ is used in making black shoe polish.
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For India, the most important fossil fuel is _____.

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_____ forms the largest portion of the world's coal reserves. (Lignite / anthracite)
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An example of fossil fuel which is a combustible black or brownish-black sedimentary rock is _____.
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_____ (Bituminous/Anthracite) coal is used to generate power and to manufacture other fuels like coke and coal tar.
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The slow process of conversion of dead vegetation into coal is called _____.
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_____ is a mixture of methane and hydrogen, with some carbon dioxide. (Coal gas / Coal tar)
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Wood charcoal is a _____ conductor of heat and electricity.
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_____ is the most inferior form of coal. Choose the correct option from the words given in the bracket [Peat/Lignite/Bituminous coal]
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Complete the analogy using words within brackets: (wind, coal, water)

Renewable : sun :: non-renewable: _____

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Coal is a spongy material called _____.