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WorksheetsScience - Synthetic Fibres and Plastics: Grade 8
Total questions: 20
Worksheet time: 4mins
What are synthetic fibres?
Naturally obtained fibres from Plants and Animals.
Man-made fibres that are obtained from petrochemicals and synthesized in a laboratory by humans.
They are obtained from both natural elements and synthesized in laboratory.
All of the above
Which was the first true synthetic fibre?
Polyester
Silk
Nylon
Spandex
Rayon is also known as ___________________? ( Select 2 options)
Natural fibre
Semi synthetic fibre
Thermoset Plastic
Artificial Silk
Which fibre can be a substitute for wool?
(a)
Advantages of Synthetic fibres: (Select 2 option)
Stronger and more durable than natural fibres
They are cheaper than natural fibres
They are comfortable to wear
They are expensive than natural fibres
What is the type of arrangement of polymers in Thermosetting Plastic?
Linear arrangement of polymers
Random arrangement of polymers
Cross-linked arrangement of polymers
Which of the following are not the properties of Plastics?
Thermal conductivity
Electrical conductivity
Flammability
Sonority
What is the abbreviation/Shortform of Polyvinyl chloride? (All the letters in capital)
(a)
Examples of Thermosetting Plastic?
Teflon
Terylene
Melamine
Bakelite
Which is the Strongest Synthetic fibre?
Cotton
Rayon
Spandex
Nylon
Name a synthetic fibre which is also known as polyamide
Nylon
Cellulose
Plastic
Linen
In which country was rayon first time synthesized?
Portugal
England
Sweden
Chile
Who produced the first ever synthetic fibre?
Micheal Reynolds
Sebastin Stan
Joseph Swan
Frank Washington
What is the Natural polymer present in Rayon?
Cotton
Chlorophyll
Terylene
Cellulose
What is the other name of Acrylic?
Morphic
Orlon
Lycra
Elastane
What is the other name of Spandex? (Starts with L)
(a)
Who invented celluloid, the first commercially successful synthetic polymer in 1869?
Alexander Parkes
Joseph Swan
John Hyatt
Wallace Carothers
Where did Wallace Carothers and his team first produced Nylon?
Sydney
DuPont
NYC
Fleur port
Which synthetic fibre has high tensile strength?
Spandex
Celluloid
Nylon
Jute
Which country has banned the usage of plastic bags?
Argentina
Iceland
China
Norway
