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Home / Doubts and Solutions/ICSE/Class 8/Chemistry

State the formula of each of the following compounds.

(a) Calcium nitrate

(b) Sodium chloride

(c) Magnesium sulphate

(d) Ammonium bicarbonate

(e) Aluminium oxide

Asked by Topperlearning User 4th June 2014, 1:23 PM
Answered by Expert
Answer:

(a) Calcium nitrate

Symbol Ca NO3

Valency: Ca2+ NO31-

1- 2+

Formula: Ca(NO3)2

(b) Sodium chloride

Symbol Na Cl

Valency: Na2+ Cl2-

2- 2+

Formula: Na2Cl2 = NaCl

(c) Magnesium sulphate

Symbol Mg SO4

Valency: Mg2+ SO42-

2- 2+

Formula: Mg2(SO4)2 = MgSO4

(d) Ammonium bicarbonate

Symbol NH4 HCO3

Valency: NH4+1 HCO31-

1- 1+

Formula: NH4HCO3

(e) Aluminium oxide

Symbol Al O

Valency: Al3+ O2-

2- 3+

Formula: Al2O3

Answered by Expert 4th June 2014, 3:23 PM
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