The anser is coal. the process of coal formation is called carbonisation because coal is mainly consist of carbon and when coal is burnt it realeas unburnt substances of carbon
1
Salil Krishna Gyanani answered this
(C)
0
Shreeya answered this
May be coal
0
Ashwin answered this
Coke is the purest form of carbon with 90 % carbon.
3
Lakshya Ghose Biswas answered this
c) coke
-1
Lakshya Ghose Biswas answered this
actually it is diamond
0
Raghav Chopra answered this
Coke is the answer as it contains 98 % carbon and is a smokeless fuel.
