Ncert Exercises & Solutions

On dissolving sugar in water at room temperature solution feels cool to touch. Dissolution of sugar will be most rapid under the following conditions:

1. Sugar crystals in cold water
2. Sugar crystals in hot water
3. Powdered sugar in cold water
4. Powdered sugar in hot water

Hint: In powdered form, sugar can easily dissolved in the water.

Explanation:

Dissolution of sugar in water will be most rapid when powdered sugar is dissolved in hot water because the powder form can easily insert into the vacancies of liquid particles.

Further dissolution of sugar in water is an endothermic process.
Hence, high temperatures will favour the dissolution of sugar in water.

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions