Write down the formula of (a)Sodium oxide (b)Aluminium chloride (c)Sodium sulphide (d)Magnesium hydroxide

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Chapter 3

NCERT

Class 9

Science

Solutions

1. Write down the formula of

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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