Question

Very Short Answer Questions:
1. Name the smallest unit of nylon.
2. Give any two examples of thermoplastics.
3. Give any two examples to show that plastics are non-reactive in nature
4. Which fibre is also called artificial silk?
Name the monomer of polyester.
. Give two examples of plastics.​

Answer 1

Answer:

1.The smallest unit of Nylon is Carbon and Hydrogen. This is because, Nylon is an organic compound.

2.thermoplastics are mechanically recyclable. Some of the most common types of thermoplastic are polypropylene, polyethylene, polyvinylchloride, polystyrene, polyethylenetheraphthalate and polycarbonate.

3.Plastics are non-corrosive in nature, they do not react even if they come in contact with strong chemicals. For example, the cleaning chemicals that we use at home are stored in plastic bottles, instead of metal containers.

4.Rayon, a synthetic fibre, is also called artificial silk.

5.Polyethylene terephthalate: PET or PETE.

High-density polyethylene: HDPE

Answer 2

QUESTION - 1

Name the smallest unit of nylon.

ANSWER - 1

The smallest unit of Nylon is Carbon and Hydrogen. 

QUESTION - 2

Give any two examples of thermoplastics.

ANSWER - 2

1. Polyethylene
2. Polyvinylchloride

QUESTION - 3

Give any two examples to show that plastics are non-reactive in nature.

ANSWER - 3

1. The cleaning chemicals that we use at home are stored in plastic bottles, instead of metal containers.
2. Plastic chairs do not go under corrosion even in water showing it does nit react with water. It also do not react with air.

QUESTION - 4

Which fibre is also called artificial silk?

ANSWER - 4

Rayon is also called artificial silk.

QUESTION - 5

Name the monomer of polyester.

ANSWER -6

Ester

QUESTION - 7

Give two examples of plastics.

ANSWER - 7

1. Polyethylene terephthalate : PET or PETE.
2. High-density polyethylene : HDPE.

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