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Write examples of :- metal with variable valencybrainlies donating points maximum 50 every questionmauj karlo |
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Answer» tion:Certain ELEMENTS have more than one valency. They exhibit variable valency. For example, COPPER, TIN, iron and mercury exhibit variable valency. Copper combines with oxygen to form cuprous oxide (Cu2O) and cupric oxide (CUO).I'm not a beggar just a sweet #spammer |
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