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.
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1.0
7.0
10.0
It depends on the temperature
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36%
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63%
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15%
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31%
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18%
51%
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23%
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13%
61%
5%
19%
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flagAustria
19%
57%
4%
19%
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flagthe United Kingdom
17%
61%
4%
17%
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29%
44%
5%
17%
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flagNigeria
4%
73%
4%
17%
23