Classify each of the following reactions(or descriptions of reactions)as a combination, decomposition, single-replacement, or double-replacement reaction. For the descriptions, more than one classification may apply. (a)2 NaHCO3→Na2CO3+ CO2+ H2O (b)Ag2CO3+ CrBr2→2 AgBr + CrCO3 (c)Cu + Cl2→CuCl2

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