Question

4.
Give reasons for each of the following.
(a) Plastics should not be burnt.
(b) Handles of utensils are made up of bakelite.
(c) Avoid wearing synthetic clothes while working in the kitchen.
(d) Handles of heating pans are made up of plastics.
(e) Electric wires are covered with plastics.
(f) Plastics are used to store different kinds of materials.​

Answer 1

Explanation:

A. It is because plastics release toxic and poisonous gases when burnt.

B. It is so because Bakelite is a bad Conductor of heat. C. Synthetic clothes should be avoided in the kitchen becase they catch fire easily. D. It is becauseplastics do not allow the heat tpass through them , thus avoiding the risk of getting our hand burnt. E. The purpose of insulation covering the metal part of an electrical wire is to prevent accidental contact with other conductors of electricity, which might result in an unintentional electric current through those other conductors. F. Because plastic is durable and takes long amount of time to get decomposed.

Answer 2

Answer:

Ans

Explanation:

a.it pollutes environment

b. (don't no )

c.it can burn us

d.as plastic handles doesn't allow the heat to flow from pans to handles so that it will be easy to hold the heating pans

e.to prevent shock and ensure safety

f.as it does not react on any food

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