Answers

2015-05-13T14:47:05+05:30
The formulae are as follows:-
(i) Sodium oxide = Na2O
(ii) Aluminium chloride = AlCl3
(iii) Sodium Sulphide = Na2S
(iv) Magnesium Hydroxide = Mg(OH)2
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2015-05-13T15:55:14+05:30
 Sodium oxide = Na2O , Aluminium chloride = AlCl3 , Sodium Sulphide = Na2S and Magnesium Hydroxide = Mg(OH)2  is the answer
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