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Synthetic Fibres and Plastics Worksheet-3

Synthetic Fibres and Plastics Worksheet-3

 

  1. Cotton which is a cellulosic fibre is highly inflammable. It burns to produce a mixture of water and

(a) N02               (b) CO                (c) N0                 (d) CO2

 

  1. Teflon finds its application in the Chemical Industry in various Laboratories all around the World. This is because of the property of

(a) High heat resistance and non reactivity.

(b) High reactivity

(c) High conductivity

(d) High tensile strength

 

  1. The use of Jute bags is now being encouraged instead of plastic to encourage the phenomenon of “sustainable development”. This is mainly because

(a) It’s essential for the economy of the developing countries of the South Asian region.

(b) The livelihood of many people depends on the cultivation of jute.

(c) The cost of jute materials is cheaper than plastic.

(d) Jute is Biodegradable while plastic is not.

 

  1. Bakelite the thermoplastic is also known as the

(a) Phenol-Formaldehyde Resin

(b) Benzoic acid-Formaldehyde Resin

(c) Formaldehyde-Acetic Aid Resin

(d) Acetic Acid-Benzoic Acid Resin

 

  1. Du Pont is a premier organization in the field of  research and development of polymers and synthetic fibres. Du Pont developed the material which is used for the manufacture of non stick cookware, also known as

(a) Nylon                                        (b) Teflon

(c) Polymethyl methylacrylate  (d) Poly Vinyl Chloride

 

  1. Identify  the first artificial fibre synthesized by human beings form the following options:

(a) Rayon           (b) Nylon           (c) Terelyne       (d) Teflon

 

  1. Polyester films which  are used for making magnetic recording tapes in audio cassettes etc. are known as:

(a) Teflon           (b) Nylon           (c) Mylar           (d) Magnetic Silk

 

  1. Which out of the following is used for making disposable cups?

(a) LDPE           (b) PS                 (c) PP                 (d) PVC

 

  1. Which of the following is used in automobile battery casing?

(a) HDPE          (b) PP                 (c) PVC              (d) Polyester

 

  1. Raw materials for most of the natural fabrics are obtained from:

(a) Water           (b) Earth            (c) Petroleum   (d) Sky

 

Answer Key:

(1)-(d); (2)-(a); (3)-(d); (4)-(a); (5)-(b); (6)-(a); (7)-(c); (8)-(b); (9)-(b); (10)-(c)