(a) Write one example each of (i) Cross – linked polymer (ii) Natu

1.	(a) Write one example each of (i) Cross – linked polymer (ii) Natural polymer (b) Arrange the following in the increasing order of their intermolecular forces : Terylene, Buna – N, Polystyrene (c) Define biodegradable polymers with an example.
Answer» (a) (i) Example of cross-linked polymer is Bakelite (ii) Example of natural polymer is starch. (b) Increasing order of their intermolecular forces. Buna-N < Polystyrene < Terylene (c) Biodegradable polymers – Natural or synthetic polymers which can be degraded to small molecules by bacteria. Example is PHBV, Nylon-2

(a) Write one example each of (i) Cross – linked polymer (ii) Natural polymer (b) Arrange the following in the increasing order of their intermolecular forces : Terylene, Buna – N, Polystyrene (c) Define biodegradable polymers with an example.

Answer»

(a) (i) Example of cross-linked polymer is Bakelite

(ii) Example of natural polymer is starch.

(b) Increasing order of their intermolecular forces. Buna-N < Polystyrene < Terylene

(c) Biodegradable polymers – Natural or synthetic polymers which can be degraded to small molecules by bacteria. Example is PHBV, Nylon-2

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(a) Write one example each of (i) Cross – linked polymer (ii) Natural polymer (b) Arrange the following in the increasing order of their intermolecular forces : Terylene, Buna – N, Polystyrene (c) Define biodegradable polymers with an example.

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