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प्रश्न
Which of the following is a natural polymer ? Buna-S, Proteins, PVC
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उत्तर
The given three polymers are Buna-S, Protiens, PVC.
Among these three polymers, proteins are the natural polymers. They are the long chain of amino acids joined by peptide linkages. Buna-S and PVC are synthetic polymers.
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संबंधित प्रश्न
How are polythene and neoprene prepared?
Write the mechanism of free radical polymerization of ethene.
Write chemical reaction to prepare the Dextron polymer:
Dextron
Match the polymers given in Column I with their chemical names given in Column II.
| Column I | Column II |
| (i) Nylon 6 | (a) Polyvinyl chloride |
| (ii) PVC | (b) Polyacrylonitrile |
| (iii) Acrilan | (c) Polycaprolactum |
| (iv) Natural rubber | (d) Low-density polythene |
| (v) LDP | (e) cis-polyisoprene |
Match the polymers given in Column I with the preferred mode of polymerisation followed by their monomers.
| Column I | Column II |
| (i) Nylon-6,6 | (a) Free radical polymerisation |
| (ii) PVC | (b) Ziegler-Natta polymerisation or coordination polymerisation |
| (iii) HDP | (c) Anionic polymerisation |
| (d) Condensation polymerisation |
By which reaction ethene is obtained from ethyne?
Which one of the following can be used as monomer in a polymerisation reaction?
Which of the following is chain-growth polymer?
Which one of the following polymers are prepared by addition polymerisation?
Which one of the following polymers is prepared by addition polymerisation?
