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WorksheetsSynthetic fibre and Plastics
Total questions: 25
Worksheet time: 13mins
_________ 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
Which of the following material is a mixture of two fibres?
Jute
Polywool
Polyester
Nylon
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
Terylene is a popular form of
Polyester
Monomer
Plastic
Nylon
Select the correct option from the given statements.
Polymers cannot form fibres
Polymers can be both natural and synthetic
Polymer is a natural substance
Polymer is a synthetic substance
Which of the following groups contain only Synthetic Polymer?
Nylon, Terylene, Wool
Cotton, Polycot, Rayon
PVC, Polythene, Bakelite
Acrylic, Silk, Wool
Pickles are stored in plastic bottles mainly because they are:
non-biodegradable
good insulators
durable
non-reactive
Atul was climbing mountain and he wondered about the strength of rope in his hand which was stronger than a steel wire. This rope would have been made up of:
Polyester
Nylon
Rayon
Cotton
Nylon is obtained by
Treatment of wood pulp.
Mixing coal, air and water.
Solidifying water.
Mixing acids and bases.
Which of the following is not a blended fibre?
Terrycot
Terrylene
Polycotton
Terywool
The first synthetic fibre formed from a natural material wood pulp is
acrylic
rayon
nylon
polyester
A fibre which is as soft as wool is
rayon
nylon
polyester
acrylic
Necklace : bead :: polymer : ________.
Monomer
Dimer
Tetramer
Trimer
We should not wear synthetic clothes while cooking in the kitchen or in a laboratory.
True
False
Thermosetting Plastics
Can be reshaped using heat and pressure.
Are lighter plastics
Can be recycled
Can not be reshaped using heat and pressure
It is not advisable to wear clothes made of synthetic fibre while working near fire because
.
They are uncomfortable in those works
They melt on heating and cause heavy burns
They do not absorb moisture
They are shiny and lustrous
_________ is the first fully synthetic fibre.
Acrylic
Polyester
Nylon
Rayon
The word polymer comes from a _______word.
Latin
Greek
Tamil
English
In word polymer....poly means
Many
Few
One
None
