Question

21. Write the formulae of the following compounds
(a) Barium sulphate
(b) Bismuth nitrate
(c) Calcium bromide
(d) Chromium sulphate
(e) Ferrous sulphide
o Calcium silicate​

Answer 1

Answer:

A.....,....................

Answer 2

Explanation:

(a)Baso4

(b)Bi(NO3)3

(c)CaBr2

(d)Cr2(SO4)3

(e)FeS

(f)Ca₂O₄Si