Coal burns in sufficient supply of air to form:
Water
Carbon dioxide
Carbon monoxide
Carbon
Coal burns in sufficient supply of air to form carbon dioxide.
Fill in the blanks :
(a) ___ product when carbon is burnt in a limited supply of air or oxygen.
(b) Carbon monoxide burns in air with a ___ flame to form carbon dioxide.
(c) Carbon monoxide is a product of ___ combustion
(d) A mixture of 95% oxygen and 5% carbon dioxide is called ___
(e) Carbon monoxide is used as a ___ in the extraction of pure metals from their corresponding ores.
Match the following air pollutants with their major source.
(i) Carbon monoxide (ii) Carbon- dioxide (iii) Sulphur dioxide
(a) Coal burn (b) Fossil fuels (c) Automobiles