AP BIOLOGY

BIOCHEMISTRY

PROPERTIES OF WATER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the boiling point of water
A
0 C
B
100 F
C
50 C
D
100 C
Explanation: 

Detailed explanation-1: -At sea level, water boils at 100° C (212° F). At higher altitudes the temperature of the boiling point is lower. See also vaporization.

Detailed explanation-2: -at 100 degree celcius, water exists in both the liquid state as well as in gaseous state. This is special condition because 100 degree celcius is the boiling point of water and as well as liquefaction temperature of the water vapour.

Detailed explanation-3: -Abstract. Every schoolchild learns that, under standard pressure, pure water always boils at 100 degrees C. Except that it does not. By the late 18th century, pioneering scientists had already discovered great variations in the boiling temperature of water under fixed pressure.

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