Uses of Rayon

Q.

Polycot is a mixture of __________.

1. Cotton and nylon

2. Polyester and nylon

3. Polyester and cotton

4. Wool and polyester

Q.

PET is ___ .

1. A popular form of polyester used for making bottles, utensils etc.

2. Toughest polyester.

3. Natural polymer.

4. An research organisation working on polyesters.

Q. Rayon is often blended with cotton and wool for making bedsheets and carpets.

1. False
2. True

Q.

Match the terms of column A correctly with the phrases given in column B.

$\begin{array}{cccc}& A& & B\\ \left(i\right)& Polyester& \left(a\right)& Preparedbyusingwoodpulp\\ \left(ii\right)& Teflon& \left(b\right)& Usedformakingparachutesandstockings\\ \left(iii\right)& Rayon& \left(c\right)& Usedtomakenon-stickcookware\\ \left(iv\right)& Nylon& \left(d\right)& Fabricsdonotwrinkleeasily\end{array}$

Q.

A lady went to the market to buy a blanket. The shopkeeper showed her blankets made of acrylic fibres as well as made of wool. She preferred to buy an acrylic blanket. Can you guess why?

Q.

Name a fibre having properties similar to that of silk?

Q. Question 3
Polycot is obtained by mixing

(a) nylon and wool
(b) polyester and wool
(c) nylon and cotton
(d) polyester and cotton

Q.

Why does nylon become very popular for making clothes for mankind?

Q.

The manufacture of one of the following artificial fibres contributes to deforestation. Identify this fibre.

1. Nylon
2. Terylene
3. Acrylic
4. Rayon

Q.

Acrylic is ___ .

1. Synthetic fibre which has high resistance to shrinkage

2. First artificial fibre

3. Natural fibre of silk

4. Colour Paint

Q. Identify the uses of rayon.

1. Diapers
2. Parachute
3. Ropes
4. Bandages

Q.

Question 2
Explain why Rayon is different from synthetic fibres ?

Q. Amal bought a shirt made of a particular fibre. After few washes, the fibres of the shirt started breaking, thereby damaging the shirt. Which amongst the following would be the fibre that his shirt is made of?

1. Polyester
2. Rayon
3. Acrylic
4. Nylon

Q.

To which kind of synthetic fibres does terylene belong?

Q.

Are synthetic fibres filaments?

Q. Identify the uses of rayon.

1. Diapers
2. Parachute
3. Ropes
4. Bandages

Q. Synthetic fibres do not melt on heating.

1. True
2. False

Q. PET is a form of:

1. polyester
2. rayon
3. acrylic
4. nylon

Q. Give two uses each of rayon, polyester, and spandex.