Question
Identify the substance which is tough, porous and black. It is almost a pure form of carbon.
Answer: Option B
:
B
Coke is a tough, porous and black substance. It is almost a pure form of carbon. It is used in the manufacture of steel and also in the extraction of many metals.
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:
B
Coke is a tough, porous and black substance. It is almost a pure form of carbon. It is used in the manufacture of steel and also in the extraction of many metals.
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