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
7%
35%
0%
57%
14
flagUkraine
21%
32%
7%
39%
28
flagFrance
8%
50%
0%
41%
12
flagAustralia
6%
66%
0%
26%
15
flagCanada
0%
70%
0%
30%
10
flagthe United States
13%
49%
5%
30%
156
flagIndia
7%
61%
3%
27%
111
flagItaly
23%
35%
5%
35%
17
flagthe Netherlands
33%
33%
0%
33%
15
flagNorway
6%
53%
6%
33%
15
flagGermany
24%
40%
3%
32%
65
flagPoland
19%
50%
5%
24%
4137
flagRussia
30%
50%
0%
20%
10
flagRepublic of Ireland
40%
20%
10%
30%
10
flagthe United Kingdom
20%
58%
4%
17%
98
flagUnknown
16%
62%
4%
14%
162

Gender

men23%
women21%
1.0
16%
19%
7.0
54%
54%
10.0
5%
4%
It depends on the temperature
22%
21%

Details

Author: globalquiz.org
Illustration: Steven Depolo
tools
Should this question be improved? Improve it.
Globalquiz questions are translated by users for other users. Translate this question.