Does not react with hydrochloric acid 1) Na2O 2) CO2 3) CaO 4) MgO

With hydrochloric acid (HCl) will not react: 2) CO2, for acidic oxide. Reactions that react: Na2O + 2HCl -> 2NaCl + H2O CaO + 2HCl -> CaCl2 + H2O MgO + 2HCl -> MgCl2 + H2O



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