Which of the following act as a stabilizer for the storage of H2O2?
A
Alkali
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B
Dust
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C
Urea
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D
None of these
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Solution
The correct option is C Urea For removing the gangue from sulphide ores, some chemical compounds called as stabilizers are used in flotation method. For getting satisfactory bleaching action from hydrogen peroxides, alkalis are added to make it alkaline. Thus, urea is added in the storage of H2O2 to stabilize the alkaline dilute solution of H2O2 which is unstable.