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Chemistry
A dilute solution of H2O2 can be concentrated by
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Q. A dilute solution of $H_{2}O_{2}$ can be concentrated by
Hydrogen
A
drying it over anhydrous $CaCl_{2}$
B
drying it over concentrated $H_{2}SO_{4}$
C
drying it over anhydrous $MgSO_{4}$
D
heating it under reduced pressure
Solution:
A dilute solution of $H_{2}O_{2}$ can be concentrated by heating (distillation) under reduced pressure.