Question

Rishi is surprised when he sees water boiling at ${115}^{\circ }\mathrm{C}$ in a container. Give reasons as to why water can boil at the above temperature?

Answer 1

1. The impurity in a substance can increase the boiling point.
2. The increase of pressure can also increase the boiling point of the substance.
3. Rishi is surprised when he sees water boiling at ${115}^{\circ }\mathrm{C}$in a container.
4. Rishi either used impure water or used a closed container that helps the water to boil at the above temperature.