Fibres and Plas...

Which of the following is not a characteristic of synthetic fibres?

Which of the following fibres has properties similar to those of silk?

Which of the following is a popular polyester?

Which of the following substances is not classified as artificial silk?

Which of the following synthetic fibres is/are used for making a device used to slow down the movement of an object as it falls or moves through the air?

Name a polymer occurs naturally?

Which of the following types of plastic is/are used to make electric plugs and switches?

Which of the following fibres is used as a cheaper substitute of wool?

Which of the following objects can be recycled?
(a) Cooker handles
(b) Plastic toys
(c) Plastic carry bags
(d) Wooden chairs
(e) Ballpoint pens

Which of the following is/are matched correctly?

(a) PVC - Thermoplastic
(b) PET - Thermosetting plastic
(c) Polyethylene - Thermoplastic

The raw materials for manufacturing synthetic fibres are obtained from
(a) wood
(b) coal
(c) petroleum
(d) water

Which of the following is/are biodegradable?

All the synthetic fibres are prepared by a number of processes using raw material obtained from

Which of the following materials is used in the making of a fireman's uniform?

Which of the following is not a characteristic of vulcanised rubber?