Synthetic Fibres And Plastics

Question 1

Another name of polythene

Answer 1

Polyethylene

Question 2

Uses of polythene

Answer 2

Pack liquids such as milk, polythene pipes are used to transport liquids such as oil and water, polythene containers are used to store liquids

Question 3

Polythene type of plastic

Answer 3

Thermoplastic

Question 4

Polythene properties

Answer 4

Strong but flexible, can be rolled into sheets or moulded into any shape; water resistant

Question 5

Other name of polyvinyl chloride

Answer 5

PVC

Question 6

Polyvinyl chloride type of plastic

Answer 6

thermoplastic

Question 7

polyvinyl chloride properties

Answer 7

tougher than polythene; insulator

Question 8

Uses of polyvinyl chloride

Answer 8

Covering for electrical wires; making shoes; handbags; furniture; upholstery; floor coverings; raincoats and bottles

Question 9

Polystyrene type of plastic

Answer 9

thermoplasic

Question 10

polystyrene properties

Answer 10

easily moulded

Question 11

polystyrene uses

Answer 11

packaging material for electronic items and to make thermocol; used to insulate the hollow walls of refrigerators.

Question 12

perspex type of plastic

Answer 12

thermoplastic

Question 13

perspex properties

Answer 13

transparent like glass but much stonger

Question 14

perspex uses

Answer 14

used as substitute for glass; for making windows in airplanes and windshields of cars

Question 15

teflon other name

Answer 15

PTFE(polytetra-fluoroethene)

Question 16

teflon type of plastic

Answer 16

thermoplastic

Question 17

teflon properties

Answer 17

slippery; unaffected by heat and does not react with other substances

Question 18

teflon uses

Answer 18

used as non-stick coating on pans and other cooking utensils

Question 19

bakelite type of plastic

Answer 19

thermosetting plastic

Question 20

bakelite properties

Answer 20

harder than other plastics and a good electical insulator

Question 21

bakelite uses

Answer 21

used for making buttons, plugs, switches and other electrical fittings

Question 22

formica other name

Answer 22

melamine

Question 23

formica type

Answer 23

thermosetting plastic

Question 24

formica properties

Answer 24

hard and smooth surface

Question 25

formica uses

Answer 25

used as table tops; and for making crockery