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Chemical Properties of Metals

Which of the ...

Question

Which of the following is a basic oxide?

A

C a O

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B

C O_{2}

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C

H_{2} O

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D

N_{2} O

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Solution

The correct option is A $C a O$

Metals form basic oxides but non-metals form acidic oxides .
so it can be seen that carbon and nitrogen are nonmetals so these form acidic oxide , water is neutral. because hydrogen is assumed at zero potential.
But calcium is metal and so its oxide is basic.

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