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ICSE Class 10 Chemistry Question 16 of 18

Solved 2020 Question Paper ICSE Class 10 Chemistry — Question 16

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16
Question

Question 7(a)

Write balanced chemical equations, for the preparation of the given salts.

(i) to (iii) by using the methods A to C respectively:

A: Neutralization B: Precipitation C: Titration

(i) Copper sulphate

(ii) Zinc carbonate

(iii) Ammonium sulphate

Answer

  1. Preparation of copper sulphate by neutralization
    CuO + H2SO4 ⟶ CuSO4 + H2O

  2. Preparation of zinc carbonate by precipitation
    Zn(NO3)2 + Na2CO3 ⟶ 2NaNO3 + ZnCO3

  3. Preparation of ammonium sulphate by titration
    2NH4OH + H2SO4 ⟶ (NH4)2SO4 + 2H2O