Which of the following is used to manufacture plastic crockery?
- AMelamine and Tetrafluoroethene
- BMelonic acid and Hexamethylene amine
- CMelamine and Vinyl acetate
- DMelamine and Formaldehyde
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Which of the following polymers contains an ester linkage?
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Match the following polymers in List-$I$ with their monomers in List-$II$:
List-$I$ List-$II$ $(A)$ $-(NH-(CH_2)_6-NH-CO-(CH_2)_4-CO)_n-$ $(I)$ Ethylene glycol and terephthalic acid $(B)$ $-(CO-(CH_2)_5-NH)_n-$ $(II)$ Phenol and formaldehyde $(C)$ $-(CF_2-CF_2)_n-$ $(III)$ Caprolactam $(D)$ $-(O-CH_2-CH_2-OOC-C_6H_4-CO)_n-$ $(IV)$ Hexamethylene diamine and adipic acid $(V)$ Tetrafluoroethene
| List-$I$ | List-$II$ |
|---|---|
| $(A)$ $-(NH-(CH_2)_6-NH-CO-(CH_2)_4-CO)_n-$ | $(I)$ Ethylene glycol and terephthalic acid |
| $(B)$ $-(CO-(CH_2)_5-NH)_n-$ | $(II)$ Phenol and formaldehyde |
| $(C)$ $-(CF_2-CF_2)_n-$ | $(III)$ Caprolactam |
| $(D)$ $-(O-CH_2-CH_2-OOC-C_6H_4-CO)_n-$ | $(IV)$ Hexamethylene diamine and adipic acid |
| $(V)$ Tetrafluoroethene |
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