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Prove that calcium oxide is a basic oxid...

Prove that calcium oxide is a basic oxide

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Calcium oxide is a basic oxide. It combines with acidic oxides at high temperature.
`underset("Basic oxide")(CaO) +underset(Silica )(SiO_(2)) tounderset("Calcium silicate")(CaSiO_(3))`
`6CaO+underset("pentoxide")underset("Phosphorous")(P_(4)O_(10))to2Ca_(3)underset("Calcium phosphate")((PO_(4))_(2)`
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