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Write balanced equations for the reactio...

Write balanced equations for the reaction between (i) `Na_2O_2` and water (ii) `K_2O ` and water.

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(i) `Na_2O_2+2H_2O to 2NaOH +H_2O_2`
(ii) `K_2O +H_2O to 2KOH`
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  14. Describe the important uses of caustic soda.

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