If cold water is poured on a flask containing very hot distilled water and water vapour, the water inside the flask started to boil below $100^{o} C$ . The principle involved is ________.

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Solution

If cold water is poured on a flask containing very hot distilled water and water vapor, the water inside the flask started to boil below $100^{o} C$ this is because the pressure inside the flask decreases.
The pressure is directly proportional to the boiling point.
Pressure $\propto$ boiling point.
So if the pressure will decrease then a decrease in boiling point will also be seen.

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If cold water is poured on a flask containing very hot distilled water and water vapour, the water inside the flask started to boil below 100oC. The principle involved is ________.

If cold water is poured on a flask containing very hot distilled water and water vapour, the water inside the flask started to boil below $100^{o} C$ . The principle involved is ________.