Holiday Homework

The process of change of ice into water is

• Freezing

• Melting

• Boiling

Answer explanation

The answer is melting

The kinetic energy of molecules is maximum in

• Gases

• Solids

• Liquid

The force of cohesion is maximum in

• Liquid

• Solids

• Gases

• None of these

The intermolecular space is maximum in

• Gases

• Liquid

• All states of matter

• Solids

The force exerted between the molecules of similar substances is called

• Intermolecular force.

• Force of cohesion

• Force of repulsion

• Force of adhesion

Iodine,camphor and nwphthalene show

• Melting

• Sublimation

• Condensation

• Freezing

Which of the following methods is used to separate bran from flour ?

• Distillation

• Sieving

• Handpicked

• Evaporation

Which of the following are immiscible liquid?

• Juice and water

• Honey and water

• Hair oil and water

• Milk and tea

Which of the following is an example of a solid-liquid mixture ?

• Chalk and petrol

• Rice and water

• Salt and water

• All of these

To separate soluble solids from liquid, we use

• Distillation

• Magnetic separation

• Decantation

• Sublimation