Question

1) Write down the formulae of
(i) Sodium oxide
(ii) Aluminium chloride
(iii) Sodium sulphide
(iv) Magnesium hydroxide
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Answer 1

Answer:

1) Na2O

2) AlCl3

3) Na2S

4) Mg(OH)2

Answer 2

Answer:

1) Na2O

2) AlCl3

3) Na2S

4) Mg(OH)2

Explanation: