Natural rubber has

  • A
    alternate $cis-$ and $trans-$ configuration
  • B
    random $cis-$ and $trans-$ configuration
  • C
    all $cis-$ configuration
  • D
    all $trans-$ configuration.

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Similar Questions

$Buna-S$ is prepared from:

Which of the following is the monomer of $Nylon-6$?

Why does $cis-polyisoprene$ possess elastic property?

Match the polymer in Column-$I$ to the monomer from Column-$II$ and assign the correct code.
Column-$I$ (Polymer)Column-$II$ (Monomer)
$(a)$ Nylon-$6$$(i)$ Ethylene glycol,terephthalic acid
$(b)$ Dacron$(ii)$ Urea,formaldehyde
$(c)$ Glyptal$(iii)$ Ethylene glycol,phthalic acid
$(d)$ Novolac$(iv)$ Phenol,formaldehyde
$ $$(v)$ Caprolactam

Code:
$(a) \quad (b) \quad (c) \quad (d)$

Melamine is

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