Complete and balance the following chemical equation:

(i) CaCO3 + HCl

(ii) Al+HCl

(iii) MnO2+HCl

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1 Answers

(i) CaCO3(s) 2HCl(aq) → CaCl2(s)+H2O(l)+CO2(g)

(ii) 2Al(s)+6HCl(aq) → 2AlCl(aq)+3H2(g)

(iii) MnO2+4HCl(aq) → MnCl2+2H2O(l)+Cl2(g)

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