Which one of the following sets forms a biodegradable polymer?
- A$CH_2=CH-CN$ and $CH_2=CH-CH=CH_2$
- B$H_2N-CH_2-COOH$ and $H_2N-(CH_2)_5-COOH$
- C$HO-CH_2-CH_2-OH$ and $HOOC-C_6H_4-COOH$
- D$CH_2=CH-CH=CH_2$ and $C_6H_5-CH=CH_2$
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Match the polymers given in column $-I$ with their main applications given in column $-II$.
Column $-I$ Column $-II$ $A$. Bakelite $i$. Unbreakable crockery $B$. Low density polythene $ii$. Non-stick cookwares $C$. Melamine-formaldehyde resin $iii$. Packaging material for shock $D$. Nylon $-6$ $iv$. Electrical switches $E$. Polytetrafluoroethene $v$. Squeeze bottles $F$. Polystyrene $vi$. Tyre cords
| Column $-I$ | Column $-II$ |
| $A$. Bakelite | $i$. Unbreakable crockery |
| $B$. Low density polythene | $ii$. Non-stick cookwares |
| $C$. Melamine-formaldehyde resin | $iii$. Packaging material for shock |
| $D$. Nylon $-6$ | $iv$. Electrical switches |
| $E$. Polytetrafluoroethene | $v$. Squeeze bottles |
| $F$. Polystyrene | $vi$. Tyre cords |
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View SolutionWhich biodegradable polymer was first used for post-operative stitches?
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