Coke

Q. Coal tar which is main source of organic compounds is obtained as by product during?

1. all of these
2. destructive distillation of wood
3. destructive distillation of bones
4. destructive distillation of coal

Q.

Name the following :

The purest form of amorphous carbon.

Q. Producer gas is a mixture of :

1. $CO$ and $N_2$
2. $C{O}_2$ and $H_2$
3. $N_2$ and $O_2$
4. $C{H}_4$ and $N_2$

Q.

what is coke (chemistry)?