Synthetic Fibres and Plastics
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Question 1 of 6
1. Question
Which of the following are correctly matched ?
1. Polymer ————————————————————– long chain molecule.
2. Synthetic fibre ———————————————————– man-made fibre.
3. Nonbiodegradable ——————————- decompose to harmless substances.CorrectIncorrect -
Question 2 of 6
2. Question
Which of the following is/are correct about polymers?
1. It is a long chain like unit consisting of a large number of smaller molecules.
2. Smaller molecules are monomers.
3. Polymers are natural.
Which of the above statements are correct?CorrectIncorrect -
Question 3 of 6
3. Question
Which of the following are correctly matched ?
1. Rayon ————————————————————- used in textile industry.
2. Nylon ——————————————————- used for making fishing nets.
9. Polyester ——————————————- used for manufacture of tyre cords.CorrectIncorrect -
Question 4 of 6
4. Question
Which of the following is/are correct of synthetic fibres?
1. They do not get wet.
2. They are not durable.
3. They are cheaper.
Which of the above statements are correct?CorrectIncorrect -
Question 5 of 6
5. Question
Which of the following statement is/are correct for thermoplastics?
1. They are long chain polymer with cross-linking.
2. They can be processed repeatedly.
3. Polyethene, PVC are examples of thermoplastics.
Which of the above statements are correct?CorrectIncorrect -
Question 6 of 6
6. Question
Which of the following are correctly matched?
1. Polyethene —————————————————— thermoplastic polymer.
2. Bakelite ———————————————————— thermosetting plastic.
3. Melamine ——————————————————– thermosetting polymer.CorrectIncorrect