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Why the presence of water is avoided in the preparation of `H_(2)O_(2)` from `Na_(2)O_(2)`?

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What reactwith `Na_(2)O_(2)` to produce NaOH which increase the decompasition of `H_(2)O_(2)`.
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The presence of water is avoided in the preparation of H_(2)O_(2) from Na_(2)O_(2) . Assign reason.

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Write the chemical name of Na_(2)CO_(3).10H_(2)Oand Na_(2)CO_(3). Writer the significance of 10H_(2)O. Mention the term used for wate molecules attached with a slat. With the help of chemical equation explain the method of preparation of both Na_(2)CO_(3).10H_(2)O and Na_(2)CO_(3). Also list two uses of Na_(2)CO_(3).10H_(2)O.

Identify the process to which the following reaction belongs: A1_(2)O_(3).2H_(2)O +Na_(2)CO_(3)rarr 2NaA1O_(2) +2H_(2)O +CO_(2) 2NaA1O_(2) +2H_(2)O +CO_(2) overset(50-60^(@)C)rarr A1_(2)O_(3).2H_(2)O+Na_(2)CO_(3)

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