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Which of the following statement(s) is/a...

Which of the following statement(s) is/are correct?

A

(a) Pure Sodium oxide is obtained by heating the mixture of sodium azide and sodium nitrite.

B

(b) Glauber's salt effloresces in moist air.

C

(c) Potassium superoxide on heating in an evacuated and sealed tube yields sodium thiosulphate.

D

(d) Gypsum dissolve in ammonium sulphate solution.

Text Solution

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The correct Answer is:
C
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