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प्रश्न
Which of the following is a natural polymer ? Buna-S, Proteins, PVC
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
What is the role of t-butyl peroxide in the polymerization of ethene?
Which of the following statements is not true about low-density polythene?
Why should the monomers used in addition polymerisation through free radical pathway be very pure?
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 |
Low density polythene and high density polythene, both are polymers of ethene but there is marked difference in their properties. Explain.
By which reaction ethene is obtained from ethyne?
The Ziegler Natta catalyst are
Which of the following is chain-growth polymer?
Which one of the following polymers is prepared by addition polymerisation?
Which of the following statements about low density polythene is false?
