Question:
Write down the formula of
(a)Sodium oxide
(b)Aluminium chloride
(c)Sodium sulphide
(d)Magnesium hydroxide
Answer:
(a) Sodium oxide - Na2O
(b) Aluminium chloride - AlCl3
(c) Sodium sulphide - Na2S
(d) Magnesium hydroxide - Mg(OH)2
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