ICSE Class 10 Physics 2015 Solved Paper

Question : 26

Total: 74

Rishi is surprised when he sees water boiling at 115∘C in a container. Give reasons as to why water can boil at the above temperature.

Solution:

Generally, water is boiling at 100∘C but Rishi is surprised when he sees water boiling at 115∘C. Because the boiling point of liquid (water) increases by the addition of impurities (e.g., salt) to it.

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