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WorksheetsSynthetic Fibres and Plastics
Total questions: 25
Worksheet time: 14mins
What are the different types of Natural Fibres.
Animal Fibres
Plant Fibres
Cotton
Rayon
What is correct about Synthetic Fibres ?
They are made by humans in labs and industries using petrochemicals.
They cannot be obtained from Plants or Animals.
The examples of synthetic fibres are Rayon, Nylon, Acrylic and Polyester.
All of the Above
_________ is the first fully synthetic fibre.
Acrylic
Polyester
Nylon
Rayon
Select 2 polyester fibres
Polythene
PET
Terylene
Melamine
What is A and B
A- Monomer, B- Fibre
A- Polymer, B- Monomer
A- Monomer, B- Polymer
A- Fibre, B- Fabric
Name the plastic used for non - stick coating
(a)
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
What are the types of Polymers ?
Linear Polymer
Tri-Linear Polymer
Cross-Linked Polymer
None of These
Which of the following is correct about Polymerization ?
Process of joining Polymers to form Monomer.
Process of Joining Monomers to form Polymer
Process of making Synthetic fibres from petrochemicals
None of these
Rayon is the different from synthetic fiber because
it has a silk like appearance
it is obtained from wood pulp
its fibers can also be woven like those of natural fibers
All the above
Lightweight and very strong fiber that is used to make rain resistant clothing, sleeping bags and carpeting.
Polyester
Rayon
Nylon
Acetate
This fiber's high stretch and recovery make it ideal for swimwear.
Rayon
Polyester
Spandex
Nylon
This warm feeling fiber is used to make machine washable sweaters and blankets.
Rayon
Spandex
Nylon
Acrylic
This FIRST man-made fiber is chemically produced from cellulose and it is used to make fabrics with a linen look.
Acetate
Rayon
Polyester
Nylon
Identify A and B :-
A- I am a fibre which you wear in summer.
B- I am the monomer used to make this fibre.
A- Rayon
B- Wood Pulp
A- Cotton
B- Petrochemicals
A- Rayon
B- Petrochemicals
A- Cotton
B- Cellulose
Which is used as the monomer of Nylon?
Amide Molecules
Ester Molecules
Ethyl Methacrylate Molecules
None of these
Polythene which is used to make polythene bags is an example of a ________.
Thermoplastics
thermosetting plastics
Plastics which resists fire and can tolerate heat better than other plastics
Bakelite
Melamine
Polythene
PVC
Which of the following are properties of Plastics ?
Non- reactive
Light
Strong and Durable
Insulators of Heat and Electricity
Biodegradable
What are the Advantages of Synthetic Fibres ?
High Tensile Strength
Low Water Absorption
Non-Biodegradable
Light Weight
Plastics which when moulded once, cannot be softened by heating. Such plastics are called
Polyster
Thermosetting Plastics
The 4 R Principle is
(a)
