Question

a candle burns with a flame, but a piece of coal does not. justify

Answer 1

Answer:

Coal does not produce flame when burnt because it does not vapourizes, only those substances which vapourizes on burning produce flame like wax , natural gas.

HOPE YOU GET IT.

Answer 2

Answer:

A candle burns with flame but A piece of coal doesnot because coal does not vapourise but wax i mean candle vapourise it is the reason