CBSE Class 8 Science Synthetic Fibers And Plastics Assignment Set D

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Assignment for Class 8 Science Chapter 3 Synthetic Fibres And Plastics

Class 8 Science students should refer to the following printable assignment in Pdf for Chapter 3 Synthetic Fibres And Plastics in Class 8. This test paper with questions and answers for Class 8 Science will be very useful for exams and help you to score good marks

Chapter 3 Synthetic Fibres And Plastics Class 8 Science Assignment


1. Answer the following in brief:

a) Name the process of formation of polymer from its monomer.

b) What are blended fibres ?Give any two examples.

 

2. Give reasons for the following:

a) Nylon is used in making socks.

b) Polyester is used for making sails for boats.

c) Synthetic fabric is uncomfortable during summers.

d) Terylene clothes should not be worn while working in kitchen.

 

3. Name the monomer unit of the following:

a) Cellulose

b) Polyester

c) P.V.C.

d) Polyethene

 

4. Differentiate between:

a) Thermoplastics & Thermosetting plastics

b) Synthetic fibres & natural fibres

c) Biodegradable & non-biodegradable materials

5. Why are plastics preferred to natural materials?

6. What do the 4 R’s in 4R principle stand for?

7. Manufacturing synthetic fibres is actually help in the conservation of forests. Comment.

8. Why is Bakelite used for making electrical switches?

9. Why do we use melamine for making kitchenware?

10. Write True or False against the following statements:

a) Polyester shrinks on washing.

b) Plastics are not affected by heat.

c) Acrilon is pure wool obtained from sheep.

d) Bakelite is a thermoplastic.

e) P.V.C. is a good conductor of electricity

11. Write full forms of:

a) P.V.C.

b) P.E.T.

12. State two advantages & disadvantages of synthetic fibres over natural fibres.

 

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CBSE Class 8 Science Chapter 3 Synthetic Fibres And Plastics Assignment

We hope you liked the above assignment for Chapter 3 Synthetic Fibres And Plastics which has been designed as per the latest syllabus for Class 8 Science released by CBSE. Students of Class 8 should download and practice the above Assignments for Class 8 Science regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 8 Science practice sheet in Pdf. All questions have been designed for Science by looking into the pattern of problems asked in previous year examinations. 

Assignment for Science CBSE Class 8 Chapter 3 Synthetic Fibres And Plastics

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Chapter 3 Synthetic Fibres And Plastics Assignment Science CBSE Class 8

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Chapter 3 Synthetic Fibres And Plastics Assignment CBSE Class 8 Science

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CBSE Science Class 8 Chapter 3 Synthetic Fibres And Plastics Assignment

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The Chapter 3 Synthetic Fibres And Plastics Class 8 Science Assignments have been designed based on latest CBSE syllabus for Class 8 Science issued for the current academic year

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