1.

Which one of the following is an example of a thermosetting polymer ?

Answer»

`(--CH_(2)-UNDERSET(Cl) underset(|)(C)=CH-CH_(2)--)_(n)`
`(--CH_(2)-underset(Cl) underset(|)CH--)_(n)`
`[--overset(H)overset(|)(N)-(CH_(2))_(6)-overset(H)overset(|)(N)-overset(O)overset(||)(C)-(CH_(2))_(4)-overset(O)overset(||)(C)---]_(n)`

SOLUTION :Novolac , a condensation POLYMER of phenol and formaldehyde , is a thrmosetting polymer.
Neoprene rubber (a) and PVC (b) are themoplastic polymers while nylon-66 (c) is a polyamide which is commonly KNOWN as fibre .


Discussion

No Comment Found

Related InterviewSolutions