Buna-$N$ synthetic rubber is a copolymer of ........
- A$H_2C = CH - CN$ and $H_2C = CH - CH = CH_2$
- B$CH_2 = CH - CH = CH_2$ and $CH_2 = CH - CH = CH_2$
- C$CH_2 = CH - CN$
- D$H_2C = CH - CH = CH_2$ and $H_5C_6 - CH = CH_2$
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Which of the following polymers is used in the manufacture of non-stick cookware?
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View SolutionWhich of the following statements are correct?
$(1)$ Biodegradable polymers can be converted into essential life substances after degradation.
$(2)$ Non-biodegradable polymers are active towards environmental processes.
$(3)$ Non-biodegradable polymers can be converted into essential life substances.
$(4)$ $PHBV$ is degraded by bacteria under environmental conditions.
$(1)$ Biodegradable polymers can be converted into essential life substances after degradation.
$(2)$ Non-biodegradable polymers are active towards environmental processes.
$(3)$ Non-biodegradable polymers can be converted into essential life substances.
$(4)$ $PHBV$ is degraded by bacteria under environmental conditions.
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View SolutionWhich polymer is commonly used in nonstick cookwares?
Buna-$S$ can be represented as:
$A$ natural linear polymer of $2-$methyl$-1,3-$butadiene becomes hard on treatment with sulphur between $373 \ K$ to $415 \ K$ and $-S-S-$ bonds are formed between chains. Write the structure of the product of this treatment.
Medium
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