■ CLASSIFICATION OF COAL.
1. PEAT
◇ Contains less than 40 to 55 per cent carbon (has more impurities).
◇ Contains sufficient volatile matter and lots of moisture (gives out a lot of smoke when burnt cause pollution).
◇ Left to itself, it burns like wood, gives less heat, emits more smoke and leaves a lot of ash.
1. PEAT
◇ Contains less than 40 to 55 per cent carbon (has more impurities).
◇ Contains sufficient volatile matter and lots of moisture (gives out a lot of smoke when burnt cause pollution).
◇ Left to itself, it burns like wood, gives less heat, emits more smoke and leaves a lot of ash.