Question

Q. Name the type of chemical reaction represented by the following equations :
Heat
(i) CaCO3 (s) ---------› CaO (s) + CO2 (g)
(ii) CaO (s) + H2O (l) -------› Ca(OH)2 (aq)
(iii) Zn (s) + H2SO4 ——––› ZnSO4 (aq) + H2 (g)
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Answer 1

1. Decomposition reaction

2 . Combination reaction

3. Displacement reaction

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