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NCERT TELUGU-SYTHETIC FIBERS AND PLASTICS-EXERCISE
- How is a rayon better fibre than silk for making cloth?
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- Chandana, after drinking “Thums up” from a cool drink bottle noticed t...
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- What does this recycling code number mean present on the plastic mate...
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- What are thermoplastics?
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- What difference do you notice between the banned polythene bags and th...
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- Why are artificial fibres called synthetic fibres?
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- Traditionally fishermen used cotton nets. Now they are using nylon net...
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- What is fake fur?
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- What are artificial wool advantages over the traditional wool?
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- Polyester is made from
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- Explain briefly hot pin test to distinguish bakalite.
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- What are thermoplastic polymers? Give example.
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- Give a step-wise procedure of making rayon.
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- Give a step-wise procedure of making rayon.
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- Write the verstile properties of nylon fibre.
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- Can you name the few things made up of (i) nylon (ii) rayon (iii) acry...
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- What is 4 R principle?
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- What does polymer mean?
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- Why do we store drinks in PET bottles?
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- Fill in the blanks. Clothing lables are………
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