How does the use of a detergent help to clean soiled clothes?

How will you check with the help of soap powder whether water is hard?

What are the important ingredients of a toothpaste, and what is the function of each?

What will happen if cement is not used in making concrete?

Make a list of detergents that you use.

What should be expected from a detergent for delicate garments?

What are the similarities and differences between –

Natural detergents and non-made detergents.