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Class 12th Chemistry 2018 Set1 Delhi Board Paper Solution

Question 23

Shyam went to a grocery shop to purchase some food items. The shopkeeper packed all the item in polythene bags and gave them to Shyam. But Shyam refused to accept the polythese 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 a biodegradable polymer ? Give an example.


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