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PHYSICS

JAMB 2013 - Question 22

Physics 2013 JAMB Past Questions - Question 22: What will happen to the boiling points of pure water when its heated in a place 30m below sea level?

Choose the correct answers from the options given.

What will happen to the boiling points of pure water when its heated in a place 30m below sea level?

A: it will be more than 100°C

B: it will be less than 100°C

C: it will still be at 100°C

D: it will be fluctuating

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Correct Answer

Explanation

Increase in atmospheric pressure raises theboiling point of water. The atmospheric pressure 30m below sea level is morethan 760mm Hg. water boils at 100°C at standard pressure (760mm Hg). Thereforebelow the sea level water will boil at temperature more than 100°C.