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7th Standard English Medium Science Subject T3 - Polymer Chemistry Book Back 2 Mark Questions with Solution Part - I updated Book back Questions

7th Standard English Medium Science Subject T3 - Polymer Chemistry Book Back 2 Mark Questions with Solution Part - I

7th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10

  1. What gives plastic different qualities and characteristics?

  2. It is not advisable to burn plastic and synthetic fabrics. Why?

  3. Why is it better to avoid the use of plastic products?

  4. Give two examples of thermosetting plastics.

  5. What is the 5 R principle?

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