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30-05-2016
Chemistry

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What is the name of the polyatomic ion in the compound Na2O2?
(1) hydroxide (3) oxide
(2) oxalate (4) peroxide

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04-06-2016

The correct answer is option 4. Peroxide is the polyatomic ion in the compound Na2O2. The name of the compoune is sodium perozide. It is a yellowish solid produced when sodium is allowed to react with oxygen.

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