Q16 of 29 Page 14

Why is it not advisable to burn plastic and synthetic fabrics?

Burning plastics releases a lot of harmful gases that play a role in increasing pollution. The harmful gases released causes a lot of breathing problems to humans.


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14

Plastic articles are available in all possible shapes and sizes. Can you tell why?

 15

Plastic is used for making a large variety of articles of daily use and these articles are very attractive. But it is advised to avoid the use of plastic as far as possible. Why?

 17

Select the articles from the following list which are biodegradable.

(a) paper


(b) woolen clothes


(c) wood


(d) aluminium can


(e) plastic bag


(f) peels of vegetables

 18

A bucket made of plastic does not rust like a bucket made of iron. Why?