It is a tough, porous and black substance. |
It is a pure form of carbon. |
A) Kerosene
B) Petrol
C) Coke
D) Lubricating oil
Correct Answer: C
Solution :
Coke is a tough, porous, black substance. It is almost a pure form of carbon and used in the manufacture of steel.You need to login to perform this action.
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