Metal oxides have ph less or grater than 7

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Solution

Metal oxides when dissolved in water produces basic oxides whose pH is greater than 7.
Eg:

Magnesium Oxide MgO

Calcium Oxide CaO

Copper Oxide CuO

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Metal oxides have ph less or grater than 7

Metal oxides when dissolved in water produces basic oxides whose pH is greater than 7. Eg: Magnesium Oxide MgO Calcium Oxide CaO Copper Oxide CuO

Metal oxides when dissolved in water produces basic oxides whose pH is greater than 7.
Eg:

Magnesium Oxide MgO

Calcium Oxide CaO

Copper Oxide CuO