Question

Q1. Give one word for -

(a) A special type of plastic used as fire-proof plastic.

(b) A plastic used for making electrical switches and handles of various utensils.

(c)A plastic which is used for making floor tiles, kitchenware and fabrics which resist

fire.

(d) A plastic which is used for non-stick coating on cook wares.

Q2.Disposal of plastic is a major problem. Why?

Q3.As a responsible citizen what measures do you suggest to keep public places clean

and free of plastic?

Q4. Identify whether the following wastes are biodegradable or non- biodegradable.

a. Paper

b. Aluminium

c. Plastic bags

d. Cotton clothes​

Answer 1

Answer:

a. PVC

b.thermosetting

c.melamine

d.Teflon

2.because plastic is a solid waste that is used commonly and occupies a lot of space. It can't be disposed by melting( produces toxic fumes)or by burying.

the only way is the 5R method.

Answer 2

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Answer 1) (a) A special type of plastic used as fire-proof plastic.

$\large\star$ Answer : Melamine plastic.

(b) A plastic used for making electrical switches and handles of various utensils.

$\large\star$ Answer : Bakelite plastic.

(c)A plastic which is used for making floor tiles, kitchenware and fabrics which resist

$\large\star$ Answer : Melamine plastic ( Also used as making floor tiles ).

(d) A plastic which is used for non-stick coating on cook wares

$\large\star$ Answer : PTFE plastic. (Polytetrafluoroethylene)

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Answer 2) Disposal of plastic is a major problem because it results into land pollution, air pollution by burning and water pollution by disposing in water. This causes an unfriendly behaviour with environment. Therefore disposing plastic is a major problem. But, to reduce it we can follow some ways:-

• Avoid plastic bags.
• Use cloth bag or any other bag except plastic while going out.
• Do not use plastic bottles, lunchbox and plastic straws.
• Avoid plastic packaging over food as it can cause cancer.

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Answer 3) As a responsible citizen what measures can I prefer to keep public places clean are:-

• Avoid plastic materials.
• Should throw rubbish in dustbins.
• Don't litter on roads etc.
• While you are out from your house, try to use public washrooms.
• Daily cleaning of public streets and roads to ensure that there is no garbage left.
• Spread awareness between people regarding cleanliness.

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Answer 4)

• a. Paper :- Biodegradable.

• b. Aluminium :- Non - biodegradable.

• c. Plastic bags :- Non - biodegradable.

• d. Cotton clothes :- Biodegradable.