Coal is seemingly the cheapest and most essential source of energy. Here is a list of all the major uses of coal.
How is coal gas obtained? Enlist its uses.
How coal gas is obtained? Enlist its uses. [3 MARKS]
(a) What happens when carbon burns in air? Write the chemical equation of the reaction which takes place. (b) Why are coal and petroleum called fossil fuels? (c) Explain how coal was formed in the earth. (d) Describe how petroleum was formed in the earth. (e) Name a fossil fuel other than coal and petroleum.