ICSE Class 9 Chemistry Question 42 of 55

ICSE Questions Set in Previous Years — Question 42

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Question 42

Complete the following equations in words and then write the balanced molecular equation in each case.

(a) Zinc nitrate + sodium carbonate ⟶ ............... + ...............

(b) Iron (II) sulphate (ferrous sulphate) + sodium hydroxide ⟶ ............... + ...............

Answer

(a) Zinc nitrate + sodium carbonate ⟶ zinc carbonate + sodium nitrate

Zn(NO3)2 + Na2CO3 ⟶ ZnCO3 + 2NaNO3

(b) Iron (II) sulphate (ferrous sulphate) + sodium hydroxide ⟶ Iron (II) hydroxide + sodium sulphate

FeSO4 + 2NaOH ⟶ Fe(OH)2 + Na2SO4