Write down the formulae of
(i) sodium oxide
(ii) aluminium chloride
(iii) sodium sulphide
(iv) magnesium hydroxide
Question 12 Write the molecular formulae for the following compounds
(a) Copper (II) bromide (b) Aluminium (III) nitrate (c) Calcium (II) phosphate (d) Iron (III) sulphide (e) Mercury (II) chloride (f) Magnesium (II) acetate
Write balanced equations for the reaction of dilute hydrochloric acid with each of the following : (a) iron, (b) sodium hydrogen carbonate, (c) iron(II) sulphide, (d) sodium sulphite, (e) sodium thiosulphate solution.