WorksheetsSynthetic Fibres and Plastics
Total questions: 10
Worksheet time: 5mins
_________ is the first fully synthetic fibre.
Acrylic
Polyester
Nylon
Rayon
What of the following is used for making stockings and parachutes?
Bakelite
Wool
Nylon
Cotton
Fibres of _______ resemble that of silk and hence, it is popularly known as ‘artificial silk’.
acrylic
polyester
rayon
nylon
Firefighters’ uniform is coated with a plastic that is fire resistant. Identify the plastic from the given options.
Teflon
Melamine
PET
Polyester
Identify the type of plastic that can best be used to make electrical switches.
PVC
Polythene
PET
Bakelite
Modern non-stick cookware and the flat end of an electric iron has a coating of a polymer. Identify the name of the polymer.
PVC
Rayon
Teflon
Polyester
Many small unit combine together to form a large unit called (a)
Cooking pans have plastic handles because
They are light, durable and strong
They are non- reactive
They are poor conductors of heat and electricity
They do not catch fire
Silk fibre is obtained from silk worm whereas artificial silk is obtained by the chemical treatment of _______________.
paper pulp
Rayon
Coal, air and water
wood pulp
The plastics which gets deformed easily on heating and can be bent easily is called (a)
