CBSE Class 8 Science Worksheet - Synthetic FIbres and Plastics

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CBSE Class 8 Science Worksheet - Synthetic FIbres and Plastics - Practice worksheets for CBSE students. Prepared by teachers of the best CBSE schools in India.



Synthetic FIbres and Plastics



Q1. Fill in the blanks:-

1. Clothes are made up of ______________ which are made from __________.

2. The polymer cellulose is made up of a large number of ________________ units.

3. Silk fibre is obtained from _____________ whereas artificial silk is obtained by chemical treatment of _______________.

4. The polymer polyester is made up of repeating units of ______________.

5. Synthetic fabrics soak _____________ water than the natural fabrics and take ______________ time to dry.(less/more)

6. Polythene which is used to make polythene bags is an example of a ________.

7. Iron rusts when it is exposed to ______________ and _____________.

8. Plastics do not react with ______________ and __________________.

9. Plastics are generally ___________________ than metals.

10. ________________ is a special plastic on which oil and water do not stick.

11. Fire-proof plastics have a coating of ________________ plastic on them to make them flame resistant.

12. We should always remember the 4R principle:________________, _____________ , _______________ and ____________________

Students must free download and practice these worksheets to gain more marks in exams. CBSE Class 8 Science Worksheet - Synthetic FIbres and Plastics


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