Question

If the external pressure decreases, boiling point of
water
a) increases
b) decreases
c) may increase or decrease
d) does not change ​

Answer 1

Answer:

it decreases

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Answer 2

Answer:

Decreases.

Explanation:

The boiling point is the temperature at which the vapour pressure of the liquid becomes equal to the external pressure (atmospheric pressure). Since external pressure has reduced, temperature required to equate the vapour pressures will also reduce. Consequently, boiling point reduces.