Question

Define the followings :
(a) Natural materials
(b) Transparent materials
(c) Solubility
(d) Diffusion

Answer 1

. the material which is provided from nature is known as natural material
. the material from which light can pass easily....
. the property of element getting soluble in an aqueous solution
. the rate of flowing of atoms is known as diffusion

Answer 2

ANSWER :

(a) Natural materials  :

The materials which occurs naturally are called natural materials.

Examples - Air, water, sun, mountains etc.

(b) Transparent materials

The materials that allow the light to pass through them are called transparent materials.

Examples - Glass, pure water, air etc.

(c) Solubility

The maximum amount of substance that can be dissolved in a given volume of the liquid is called solubility.

(d) Diffusion

The mixing of two particles of two materials on their own is called diffusion.

OR

The movement of particles from high concentration to low concentration is called diffusion.