Polymers-I Chemistry Test Series IIT JEE

Test Preparation on Polymers-I-Chemistry Test Series IIT JEE-2020

1.

[NH(CH2 )NHCO(CH2 ) 4CO]n is a

1Thermosetting polymer
2Homopolymer
3Copolymer
4Addition polymer

2.

11
22
33
44

3.

Regarding cross-linked or network polymers, which of the following statements is incorrect

1They contain covalent bonds between various linear polymer chains
2They are formed from bi-and tri-functional monomers
3Examples are bakelite and melamine
4They contain strong covalent bonds in their polymer chains

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