a varitey of coal contain 38% carbon , 19% volatile substance , 43% moisture . name the type of oal
(a) Describe the formation of coal.
(b) Name four types of coal with the percentage of carbon present in each.
A type of coal has carbon content of 80% was found to have 5% of sulphur. If the quantity of sulphur in the given variety of coal was 10 grams, then what was the total carbon content in the given type of coal?