Which one of the following polymers will not catch fire?
- A$(-CF_2-CF_2-)_n$
- B$(-CH_2-CH_2-)_n$
- C$(-CH_2-CHCl-)_n$
- D$(-CH_2-CH(C_6H_5)-)_n$
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Which of the following statements is not true about polymers?
Medium
View SolutionWhich of the following statements are correct?
$a$. Natural rubber becomes soft and sticky at high temperature.
$b$. Neoprene is a polymer of $2-$chloro$-1,3-$butadiene.
$c$. Nylon $6,6$ is a polyamide fibre.
$d$. Buna$-S$ is an example of a homopolymer.
$a$. Natural rubber becomes soft and sticky at high temperature.
$b$. Neoprene is a polymer of $2-$chloro$-1,3-$butadiene.
$c$. Nylon $6,6$ is a polyamide fibre.
$d$. Buna$-S$ is an example of a homopolymer.
Which of the following polymers is used as a surgical suture?
The polymer containing five methylene groups in its repeating unit is
The synthetic rubber neoprene is a .....
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