Question

Purest form of carbon is
(a) Coal
(b) Charcoal
(c) Coke
(d) All of these

Answer 1

The answer to this question is option a. It is because coal is the purest form of carbon. When it comes to coal, it is not available in a crystalline material.  It is completely amorphous.

It means that the atoms of coal are not perfectly arranged in the standard geometrical structures. There are different types of coal available, few of them includes many impurities.

Answer 2

Answer:

purest form of carbon is coke