Question

Rahul takes some water in a beaker and heats it over a flame to determine its boiling point. He observes that the temperature of the water- 1 keeps on increasing regularly 2 keeps on increasing irregularly 3 first increases slowly then decreases 4 increases gradually and then becomes constant

Answer 1

Answer:

option 4

Explanation:

since after reaching certain degrees,it remains constant. And the heat energy is used up to increase the temperature of other molecules i.e. latent heat of evapouration.