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Question

Identify the correct order of acidic strength of CO2,CuO,CaO and H2O

A
CaO<CuO<H2O<CO2
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B
H2O<CuO<CaO<CO2
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C
CaO<H2O<CuO<CO2
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D
H2O<CO2<CaO<CuO
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Solution

The correct option is A CaO<CuO<H2O<CO2
CO2 acidic oxide
CaO basic
CuO weakly basic
H2O neutral

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