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Byju's Answer
Standard VIII
Chemistry
Valency
THE OXIDE OF ...
Question

THE OXIDE OF ALUMINIUM HAS A CHEMICAL FORMULA Al2O3. STATE THE VALENCY OF ALUMINIUM

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Solution

As the formula of the compound is Al2O3 ,so the valency of aluminium must be 3. This happens as during the formation of the compound valencies are crisscrossed.

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