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Standard XII
Chemistry
Question
Which of the following process is not used in the concentration of
H
2
O
2
?
Sublimation
Fractional crystallization
Distillation under reduced pressure
Evaporation on a water bath
A
Evaporation on a water bath
B
Fractional crystallization
C
Sublimation
D
Distillation under reduced pressure
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Solution
Verified by Toppr
Sublimation is not involved in concentration of
H
2
O
2
.
Concentration of Hydrogen peroxide involves the following steps:
1. Evaporation of solution to obtain
30
%
solution.
2. Distillation under pressure to get
90
%
pure solution.
3. Fractional Distillation to get
100
%
pure
H
2
O
2
.
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