Uses of Polyester

Q. Which amongst the following materials is used for manufacturing soft drink bottles?

1. Melamine
2. Bakelite
3. Polyester
4. Nylon

Q. What are PET bottles made up of?

Q.

To make pvc a flexible plastic the additive used is called?

Q. Polyethylene is a type of polyester which is used for manufacturing carrying bags.

1. False
2. True

Q. Question 23
Match items in List A with the items of list B.
$\begin{array}{cc}\text{List A}& \text{List B}\\ \text{(a)Nylon}& \text{(i) Non-stick coating}\\ \text{(b) PET}& \text{(ii) Electric switches}\\ \text{(c) Rayon}& \text{(iii) Parachutes}\\ \text{(d) Thermosetting plastics}& \text{(iv) Polyster}\\ \text{(e) Teflon}& \text{(v) Artificial silk}\end{array}$

Q. Mary went on an excursion with her classmates. During boating, her teacher told that the boat in which they are travelling as well as the soft drink bottle that she was holding are both made of the same material X. Which amongst the following will be X?

1. Nylon
2. Polyester
3. Polycot
4. Terrywool

Q. Which amongst the following is the most commonly used raw material for making plastic water bottles?

1. Rayon
2. PET
3. Nylon
4. Cotton

Q. Which of the following materials can be manufactured using polyester?

1. 
2. 
3. 
4. 

Q. Which amongst the following is the most commonly used raw material to make plastic water bottles?

1. Melamine
2. PET
3. Bakelite
4. PVC

Q.

One of the advantages of nylon over rayon is that nylon:

1. is a good conductor of electricity.

2. is a natural fibre.

3. has low elasticity.

4. is wrinkle free.

Q. Choose the incorrect match.
I. Rayon-wood pulp
II. Cotton and jute-biodegradable
III. Nylon-parachutes and stockings
IV. Melamine-catches fire easily

1. IV only
2. II & III
3. III only
4. None of the above

Q. Select the one that is a natural polymer.

1. Nylon 6, 6
2. Polyester
3. Cellulose
4. Dacron