What is exactly the pH value of distilled water?

1.0
7.0
10.0
It depends on the temperature
Pure water is about 7 at 25 °C; this value de­creas­es with in­creas­ing tem­per­a­tures. At 50 °C, it is 6.55. It is also worth to note, that water that has been exposed to air is mildly acidic, because it absorbs carbon dioxide from the air.

Answers distribution

1.0
7.0
10.0
It depends on the temperature
answers
flagPakistan
0%
40%
0%
60%
10
flagItaly
18%
27%
9%
45%
11
flagFrance
9%
45%
0%
45%
11
flagAustralia
6%
66%
0%
26%
15
flagthe Netherlands
30%
30%
0%
40%
10
flagIndia
8%
58%
3%
30%
99
flagthe United States
11%
49%
5%
31%
143
flagGermany
18%
41%
3%
35%
53
flagNorway
7%
57%
0%
35%
14
flagPoland
19%
49%
5%
25%
2959
flagthe United Kingdom
23%
54%
2%
19%
72

Gender

men25%
women23%
1.0
17%
19%
7.0
51%
53%
10.0
6%
3%
It depends on the temperature
25%
23%

Details

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Illustration: Steven Depolo
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