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Write the following in the form of balanced chemical equations:- (a) Calcium carbonate decomposes on heating to form calcium oxide and carbon – di – oxide. (b) When ammonium hydroxide is added to a solvent of iron (ll) Sulphate, a green ppt of iron (ll) hydroxide and ammonium Sulphate are formed. (c) When a nail of iron is added to a solution of copper Sulphate, iron (ll) Sulphate and copper metal are formed. (d) Zinc reacts with dil hydrochloric acid to form zinc chloride and hydrogen gas is liberated. |
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Answer» a. CaCO3 = CaO + CO2 b. 2NH4OH + FeSO4 = Fe(OH)2 + (NH4)2SO4 c. Fe + CuSO4 = FeSO4 + Cu d. Zn + 2HCl = ZnCl2 + H2 |
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