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VGS PUBLICATION-BRILLIANT-SYNTHETIC FIBERES AND PLASTICS-EXERCISE
- Synthetic fibre obtained from plants is:
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- Assertion (A) : Rayon is a natural fibre. Reason (R) : Rayon is prepa...
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- PET means
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- ‘X’ is fibre. It gives smell like burning of paper in burning test and...
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- What will happen if parachutes are made with cotton?
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- A cloth merchant sells silk clothes very cheaply. You may guess the re...
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- In dry cleaning shops, they dry clean the clothes by
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- If we burn PET bottle, the result may be
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- This method is very easy to identify both polyester and cotton yarn:
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- In a lab, while doing flame test to examine plastics, this precaution ...
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- Hot pin test is used to :
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- In hot pin test on a substance,the given observations were done by a s...
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- The first rayon factory in India is in
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- The creator of first manmade plastic is
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- Thermoplastics are
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- is considered as the father of the present plastics industry.
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- 'Polymers are long-chain molecules' was demonstrated by
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- is a synthetic fibre, prepared from coal, water, air.
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- If we use plastics to convert electricity it is
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- ‘New articles are made with plastic wastage’ This comes under
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