At what temperature does water boil at the top of Mt Everest?

68°C (154.4°F)
101,4°C (213,8°F)
100°C (212°F)
98,6°C (208,4°F)
The boiling point of water depends on the pressure. On top of Mount Everest, the pressure is about 260 mbar (26.39 kPa) and the boiling point of water is 69 °C. (156.2 °F). In contrast, water can still remain liquid near deep hydrothermal vents, even if the temperature is very high.
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Answers by country

68°C (154.4°F)
101,4°C (213,8°F)
100°C (212°F)
98,6°C (208,4°F)
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flagSwitzerland
75%
16%
0%
8%
12
flagFrance
68%
12%
12%
6%
16
flagGermany
64%
13%
8%
13%
87
flagBelarus
60%
20%
0%
20%
15
flagthe Netherlands
55%
25%
20%
0%
20
flagPoland
53%
14%
15%
14%
14064
flagRussia
50%
16%
22%
11%
36
flagUnknown
48%
20%
17%
14%
35
flagthe United Kingdom
47%
13%
20%
16%
167
flagthe United Arab Emirates
46%
20%
13%
20%
15
flagUkraine
44%
25%
22%
6%
120
flagMalaysia
44%
11%
22%
16%
18
flagIndonesia
42%
28%
21%
7%
14
flagAustralia
41%
17%
27%
13%
29
flagCanada
40%
14%
29%
14%
27
flagthe United States
37%
21%
21%
16%
489
flagIndia
37%
26%
23%
11%
461
flagSingapore
35%
17%
23%
23%
17
flagPakistan
32%
27%
22%
17%
40
flagthe Philippines
31%
22%
31%
8%
35