Which of the following is not characteristic of coke?
A
Hard
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B
Porous
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C
High carbon content
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D
Soft
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Solution
The correct option is D Soft
Coke is a tough, porous and black substance. It is the purest form of carbon. Coke is used in the homes for cooking, heating and in industries, for manufacturing of steel and extraction of many metals. It is also used in thermal power plants to produce electricity.