Write the formulae of the following compounds. Also name the elements present in them.
(a) Water
(b) Ammonia
(c) Methane
(d) Sulphur dioxide
(e) Ethanol.
(a) Water- H2O; As conveyed by the formula, elements present are hydrogen and oxygen.
(b) Ammonia-NH3; As conveyed by the formula, elements present are nitrogen and hydrogen.
(c) Methane-Ch4; As conveyed by the formula, elements present are carbon and hydrogen.
(d) Sulphur dioxide-SO2; As conveyed by the formula, elements present are sulphur and oxygen.
(e) Ethanol-C2H5OH; As conveyed by the formula, elements present are carbon, hydrogen and oxygen.