Which of the following represents the correct match for items in Column A with those in Column B?
Which of the following represents the correct match for items in Column A with those in Column B?
Priya found that woollen blankets were expensive as they were mae of natural fibres. She wanted a blanket which was similar to woollen blanket, but is cheaper. She can buy a blanket made of ____________ fibre.
Terylene is popular form of
Which of the following represents the correct match for items in Column A with those in Column B?
Name the plastic which is coated on uniforms of firemen to make them fire resistant.
Which of the following plastic objects can be recycled?
A. Electric Socket B. Polythene Bag C.PVC Pipe D. Ashtray
Which of the following has cross linked polymer chains?
The clothes of a person working in the kitchen catch fire accidently causing severe burns. The person is most likely wearing clothes made of:
Write 3 positive characteristics of plastics.
Write 2 disadvantages of synthetic fibres.
Which of the following is biodegradable?
The fabric terywool is obtained by mixing terylene and wool.
Synthetic fibre is a chemical substance of single unit.
Name the unit used in the formation of a polymer.