Two chemical reactions are shown A 2Mg O2 2MgO B CaCO3 CaO CO2 Which statement is true O Both are synthesis reactions O Both are

Question

Two chemical reactions are shown A 2Mg O2 2MgO B CaCO3 CaO CO2 Which statement is true O Both are synthesis reactions O Both are decomposition reactions A is a synthesis reaction and B is a decomposition reaction O A is a decomposition reaction and B is a synthesis reaction

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