Question

7. Describe characteristics and uses of coke.

Answer 1

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It is an almost pure form of carbon. It is a tough, porous and black substance. It is made by heating coal in the absence of air. It burns without producing any smoke.

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Answer 2

Answer:

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The characteristics of coke are as follows:

• It is a tough, porous and black substance.
• It is an almost pure form of carbon.
• It gives little or no smoke.

The uses of coke are as follows:

• It was used for domestic heating in the past.
• It is used for the extraction of metals.
• It is used in the manufacture of steel.