CBSE Class 8 Science - Polymers
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Answer the following questions
1. Write the properties and uses of :-
2. What are the advantages and disadvantages of synthetic fibres?
3. What is the difference between Thermoplastics and Thermosetting plastics?
4. Justify the statement:- “ Plastics are versatile.”
5. Write any five uses of plastics in:-
(a) hospitals (b) homes c) laboratories.
6. What are the hazardous effects of excessive use of plastics?
7. Explain the 4R principle.
8. Make a power point presentation on different types of polymers, their structure, uses and properties.
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