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Polymers — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryPolymers1 Mark
MCQ
Which of the following polymers are condensation polymers?
$a.$ Bakelite.
$b.$ Teflon.
$c.$ Butyl rubber.
$d.$ Melamine formaldehyde resin.
  • A
    $a$ and $b$
  • B
    $a$ and $c$
  • C
    $b$ and $c$
  • ✓
    $a$ and $d$
✓

Answer

Correct option: D.
$a$ and $d$
Bakelite is a condensation polymer of phenol and formaldehyde. Melamine formaldehyde resin is a condensation polymer of melamine $(2, 4, 6-$triamino$-1, 3, 5-$triazine$)$ and formaldehyde.

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