How synthetic detergents are harmful for environment?

Anionic detergent is a

What are synthetic detergents?

Synthetic polymers are

How are synthetic detergents better than soaps?

Explain in brief about the alternate methods to be followed to prevent the harmful effects of over usage of pesticides. (OR) Mention any four effective methods of controlling pests, which are less harmful on environment based on biological principles.

Synthetic fibres are made of

Generally petrochemicals are harinful to environment. Name the petrochemical which is not harmful.

How LPG gas is useful for environment?

Can you use soaps and synthetic detergents to check the hardness of water?