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Q. Bakelite is a

UPSEEUPSEE 2009

Solution:

(a) Natural polymers have natural origin.

(b) Addition polymers are obtained by the polymerisation of olefins and without the loss of small molecules such as $H _{2} O$ and $NH _{3}$

(c) Condensation polymers are obtained with the loss of small molecules such as $H _{2} O$ and $NH _{3}$

(d) Homopolymers contain monomer units of only one kind. Since, bakelite is a polymer of formaldehyde $( HCHO )$ and phenol $\left( C _{6} H _{5} OH \right)$ and formed with the loss of water molecules, it is a synthetic condensation copolymer.