Answer the following questions:
1. Write the names of two materials, matter and substances each.
2. Give two examples of homopolymers.
3. What is the full form of PVC? Give one property of it.
4. What is nylon? Give one example.
5. Give the names of blended fibre of terylene with cotton and wool.
6 What is orlon? Name the compound from which it is produced
7. Give one example each of low density polythene and high density polythene.
8. From which synthetic polymer thermocol is obtained? Name it
9. Name the synthetic polymer from which handles of pressure cooker and unbreakable crockery is made
10. What is araldite?
Answers: 3
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Answer the following questions:
1. Write the names of two materials, matter and substances each.
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