Question

Assertion (A): Fish in a small pond may come up to the surface gasping for air on very hot summer days. Reason (R): The amount of oxygen that can dissolve in water decreases as the temperature of water increases.

Kavya takes equal amounts of cold water and hot water in two glasses and keeps adding sugar to each, one spoon at a time, while stirring. (a) In which glass can she dissolve more sugar? (b) What does this show?