Question

Shyam went to grocery shop to purchase some food items. The shopkeeper packed all the items in polythene bags and gave them to Shyam. But Shyam refused to accept the polythene bags and asked the shopkeeper to pack the items in paper bags. He informed the shopkeeper about the heavy penalty imposed by the government for using polythene bags. The shopkeeper promised that he would use paper bags in future in place of polythene bags. Answer the following :

(a) Write the values (at least two) shown by Shyam.

(b) Write one structural difference between low-density polythene and high-density polythene.

(c) Why did Shyam refuse to accept the items in polythene bags?

(d) What is biodegradable polymer? Give an example.

Answer 1

(a) Concerned about environment and Socially alert.

(b) Low density polymers are highly branched while high density polymers are linear.

(c) Shyam refused to accept polythene bags as it is non-biodegradable.

(d) One that can be degraded by micro-organisms is called a biodegradable polymer.
Examples : Nylon-2, Nylon-6