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Science and Technology - General Knowledge Questions
Which gas is used in the purification of drinking water
A)
Fluorine
B)
Helium
C)
Carbon dioxide
D)
Chlorine

Correct Answer :   Chlorine

The technique of purification of drinking water by use of compressed liquefied chlorine gas was developed by a British officer in the Indian Medical Service, Vincent B.

Published On : June 9, 2021
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