Science - Synthetic Fibres and Plastics: Grade 8
Assessment
•
Krrithik 007
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Science, Chemistry
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8th Grade
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425 plays
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Hard
Student preview
20 questions
Show answers
1.
Multiple Choice
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
2.
Multiple Choice
Which was the first true synthetic fibre?
Polyester
Silk
Nylon
Spandex
3.
Multiple Select
Rayon is also known as ___________________? ( Select 2 options)
Natural fibre
Semi synthetic fibre
Thermoset Plastic
Artificial Silk
4.
Fill in the Blank
Which fibre can be a substitute for wool?
5.
Multiple Select
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
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