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Which of the following commercially important polymers have the monomers urea and formaldehyde?

$\begin{array}{1 1}(a)\;\text{PMMA}\\(b)\; \text{UF resins}\\(c)\;\text{Bakelite}\\(d)\;\text{Polyurea}\end{array}$

1 Answer

UF resins (urea-formaldehyde resins) polymer has monomers urea and formaldehyde.
PMMA$\rightarrow$ Methyl methacrylate
Bakelite $\rightarrow$ O-hydroxybenzyl alcohol
Polyurea $\rightarrow$ Urea
Hence (b) is the correct answer.
answered Mar 13, 2014 by sreemathi.v