Question

purest form of carbon is
a. coal
b. charcoal
c. coak
d. All of these
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Answer 1

Coke

Explanation:

Coke is the purest form of carbon with 90 % carbon. Coke is the answer as it contains 98 % carbon and is a smokeless fuel.

Answer 2

Answer:

Option b. charcoal

Explanation:

Hope it will help you