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Determine the type of reaction. ZnCO3(s) → ZnO(s) + CO2(g) HClO4(aq) + Mg(s) → Mg(ClO4)(aq) +...

Determine the type of reaction.

ZnCO3(s) → ZnO(s) + CO2(g)

HClO4(aq) + Mg(s) → Mg(ClO4)(aq) + H2(g)

HBr(g) + F2(g) → HF(g) + Br2(g)

H2O(l) → H2(g) + O2(g)

Na2S(aq) + Cd(NO3)2(aq) → CdS(s) + NaNO3(aq)

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