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Natural rubber is a polymer of
Easy
View SolutionMatch the following:
List-$I$ (Polymer) List-$II$ (Used in Making) $A$. Urea-formaldehyde resin $I$. Safety Helmets $B$. Glyptal $II$. Gaskets $C$. Bakelite $III$. Laminated sheets $D$. Nylon-$6,6$ $IV$. Commercial fibres $E$. Phenol-formaldehyde $V$. Paints
Correct answer is:
| List-$I$ (Polymer) | List-$II$ (Used in Making) |
|---|---|
| $A$. Urea-formaldehyde resin | $I$. Safety Helmets |
| $B$. Glyptal | $II$. Gaskets |
| $C$. Bakelite | $III$. Laminated sheets |
| $D$. Nylon-$6,6$ | $IV$. Commercial fibres |
| $E$. Phenol-formaldehyde | $V$. Paints |
Correct answer is:
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 |
Identify the biodegradable polymer from the following.
The plastics that are hard become soft and readily workable by the addition of certain compounds called:
Medium
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