Identify the correct order of acidic strengths of the oxides

1.	Identify the correct order of acidic strengths of the oxides
Answer» `CAO LT CUO lt H_2O lt CO_2` `H_2O lt CuO lt CaO lt CO_2` `CaO lt H_2O lt CuO lt CO_2` `H_2O lt CO_2lt CaO lt CuO` ANSWER :C

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