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A liquid will boil when The liquid is hot A salt has been added to the liquid The vapor pressure of the liquid is equal to the atmospheric pressure The vapor pressure is reduced

A liquid will boil when
  1. The liquid is hot
  2. A salt has been added to the liquid
  3. The vapor pressure of the liquid is equal to the atmospheric  pressure
  4. The vapor pressure is reduced

Grade:11

2 Answers

Arun
25757 Points
4 years ago
A liquid boils at a temperature at which its vapor pressure is equal to the pressure of the gas above it. The lower the pressure of a gas above a liquid, the lower the temperature at which the liquid will boil.
 
hence option C is correct
Shivangi Khatter
askIITians Faculty 468 Points
4 years ago
dear student
the correct answer is(C)
because the boiling point of a liquid is defined as the temperature at which the vapor pressure of the liquid becomes equal to the surrounding pressure.

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