3(iv)
Write balanced chemical equations for the following reactions:
(a) Ammonium chloride reacts with calcium hydroxide.
(b) Nitric acid reacts with zinc carbonate.
(c) Concentrated sulphuric acid is added to hydrated copper sulphate.
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(a) 2NH4Cl + Ca(OH)2 ⟶ CaCl2 + 2H2O + 2NH3
(b) 2HNO3 + ZnCO3 ⟶ Zn(NO3)2 + H2O + CO2
(c) H2SO4 + CuSO4. 5H2O ⟶ CuSO4 + 5H2O + H2SO4