Project ForgeChemical Technology
Organic Chemical Industries
GATE 2020
Medium
Which one of the following is NOT correct?
- Anylon-6,6 is produced by condensation polymerization
- Bphenol-formaldehyde resin is a thermosetting polymer
- high density polyethylene (HDPE) is produced by condensation polymerization
- Dpoly(ethylene terephthalate) (PET) is a polyester
Explanation
HDPE is produced by addition (chain-growth) polymerization of ethylene, not condensation polymerization. The other three statements are all correct.
Source: GATE CH 2020 (2020)
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