Question

Write down the formulae of
(i) sodium oxide
(ii) aluminium chloride
(iii) sodium suphide
(iv) magnesium hydroxide​

Answer 1

(i) Sodium Oxide = Na2O.

(ii) Aluminium Chloride = AlCl3.

(iii) Sodium Sulphide = Na2S.

(iv) Magnesium Hydroxide = Mg(OH)2.

Answer 2

Answer:

1) Na2O

2) AlCl3

3)Na2S

4)Mg(OH).

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