Green coal, in order to be burnt, must be____________________?

A. burnt in excess air

B. burnt as lumps

C. heated to its ignition point

D. burnt as powder

E. heated sufficiently

Found an error? Read our corrections policy and report it in the comments below.

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.