Which of the following statements are NOT correct?
A.
boiling occurs when the saturated vapour pressure of the liquid involved equals the external pressure
B.
both the boiling point and the saturated vapour pressure of a given liquid depends on the external pressure
C.
the saturated vapour presssure rises with increase in temperature
D.
the saturated vapour pressure is independent of the volume available for the vapour
E.
it is possible to boil water at a lower temperature than 100oC at high altitude
Correct Answer: Option B
Explanation
While external pressure can affect the liquid's boiling point (i.e., boiling occurs when the saturated vapor pressure equals the external pressure), the saturated vapor pressure itself is determined solely by the liquid's temperature.
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