Question

2. Purest form of carbon is
coal
charcoal
coke
all
of these
​

Answer 1

Answer:

Coke is an almost pure form of carbon. The calorific value (heat energy produced when a fuel is burnt) of coke is about 56,000 kilojoules/kilogram.

Answer 2

➸ᴄᴏᴋᴇ ɪs ᴛʜᴇ ᴘᴜʀᴇsᴛ ғᴏʀᴍ ᴏғ ᴄᴀʀʙᴏɴ ᴀs ɪᴛ ᴄᴏɴᴛᴀɪɴs 98% ᴏғ ᴛʜᴇ ᴄᴀʀʙᴏɴ.