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Why can dilute solutions of hydrogen p...

Why can dilute solutions of hydrogen peroxide not be concentrated by heating? How can a conentrated solution of hydrogen peroxide be obtanied ?

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Dilute solution of `H_2O_2` cannot be concentrated by heating because it decomposes into `H_2` and `O_2` on heating.
`H_2 O_2 overset("Heat")to H_2 + O_2`
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