Why hydrogen peroxide is kept in wax lined glass or plastic vessels in dark?

Why hydrogen peroxide is kept in wax lined glass or plastic vessels in dark?
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Ans-In the presence of metal surfaces or traces of alkali (present in glass containers), the above reaction is catalyzed. It is, therefore, stored in wax-lined glass or plastic vessels in dark. Urea can be added as a stabilizer. It is kept away from dust because dust can induce explosive decomposition of the compound.
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