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Polymers — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryPolymers1 Mark
MCQ
Which one of the following statements is wrong?
  • A
    The repeating monomer units in bakelite are phenol and formaldehyde.
  • B
    Low density polythene is an example of branched chain polymers.
  • C
    Homopolymer contains a single type of monomer.
  • ✓
    Vulcanizatoin is the process of heating natural rubber with carbon.
✓

Answer

Correct option: D.
Vulcanizatoin is the process of heating natural rubber with carbon.
Vulcanization is the of heating natural rubber with sulphur in order to develop some specific qualities such as abrasion resistance, heat resistance and elasticity.
Hence, it is an incorrect statement.

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