Question

answer plz

Class 9th ch-3 science☺️​

Answer 1

Answer:

1. The following are the formulae:

(i) sodium oxide – Na2O

(ii) aluminium chloride – AlCl3

(iii) sodium sulphide – Na2S

(iv) magnesium hydroxide – Mg (OH)

2. Solution:

Listed below are the names of the compounds for each of the following formulae

(i) Al2(SO4)3 – Aluminium sulphate

(ii) CaCl2 – Calcium chloride

(iii) K2SO4 – Potassium sulphate

(iv) KNO3 – Potassium nitrate

(v) CaCO3 – Calcium carbonate