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Science and Technology - General Knowledge Questions
Pure water has a ph level of around
A)
1
B)
3
C)
4
D)
7

Correct Answer :   7

The pH of pure water (H20) is 7 at 25oC, but when exposed to the carbon dioxide in the atmosphere this equilibrium results in a pH of approximately 5.2.

Published On : June 7, 2021
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