JEE Main Chemistry question
Not in JEE Main or NEET syllabus
How many of the following are heteropolymers?
Buna-S rubber, polythene, ABS plastic, polystyrene
Answer: 2
Solution
Buna-S rubber (copolymer of styrene and 1,3-butadiene) and ABS plastic (terpolymer of acrylonitrile, butadiene and styrene) are both built from more than one type of monomer, making them heteropolymers
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