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The reaction in the Kipp's apparatus sto...

The reaction in the Kipp's apparatus stops when the outlet is closed from the top because

A

the acid becomes weak

B

gas starts coming out

C

gas pressure breaks the contact between FeS and the acid

D

protective film is formed on FeS

Text Solution

Verified by Experts

The correct Answer is:
C
When the contact between FeS and the acid breaks, the reaction stops
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