Question

18. Write the molecular formula of
(a) sodium carbonate
(b) Aluminium hydroxide
(c)sodium sulphate
(d) calcium sulphate
(e) Magnesium oxide
(B) calcium nitrate
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Answer 1

Explanation:

a}Sodium carbonate/Formula

Sodium carbonate/FormulaNa₂CO₃

B)Aluminium hydroxide/Formula

Aluminium hydroxide/FormulaAl(OH)3

C}Sodium sulfate/Formula

Sodium sulfate/FormulaNa2SO4

D}Calcium sulfate/Formula

Calcium sulfate/FormulaCaSO4

E}Magnesium oxide/Formula

Magnesium oxide/FormulaMgO

F}Calcium nitrate/Formula

Calcium nitrate/FormulaCa(NO3)2