Question

plz tell me answer bcoz tomorrow is my final exam ​

Answer 1

(i) Scattering of light is the phenomenon in which light rays get deviated from its straight path on striking an obstacle like dust or gas molecules, water vapours etc.

(ii)1 Detergents

2 Soaps

3 Bleach

4 Laundry Boosters

5 Stain removers

6 Optical Brighteners

7 Fabric Softener

8 Shampoo

(iii) The property of a substance spreading on a surface is called surface activity.

(iv) Small organisms that cannot be seen through the naked eyes and can only be seen under a microscope are called microorganisms.