In high temperature carbonisation of coal compared to low temperature carbonisation

Question: In high temperature carbonisation of coal compared to low temperature carbonisation
[A].

yield of ammonia is less.

[B].

aromatic content of tar is low.

[C].

H2 content in the coke oven gas is more.

[D].

calorific value of the coke oven gas is lower.

Answer: Option C

Explanation:

No answer description available for this question.