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07/10/2020 6:04 pm
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The pH value of ordinary water is:
(a) 7
(b) 6.5
(c) 5.3
(d) 7.8
1 Answer
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07/10/2020 6:05 pm
(c) 5.3
Explanation:
pH value of ordinary water is about 5.3 because some CO2 from atmosphere dissolves in pure water to form H2CO3 (carbonic acid), thus making water slightly acidic.