For what the term PET is usually used? Define this term.

Choose the thermoplastic and thermosetting plastic from the following:

Melamine, PVC, polythene, nylon, Bakelite

Which is better material for constructing handle of a pressure cooker -a thermoplastic or a thermosetting plastic?

What type of plastic is used to make electric switches?

Name one material used for non-stick coating on cookwares.

State the property of plastics due to which switches and plugs are made up of plastics.

Why plastic is lighter than metal?

Do the biodegradable materials cause environmental pollution? Name two biodegradable products.

Is cotton cloth biodegradable or non-biodegradable?