You are here: Home / CBSE / VIII / Science / Synthetic fibres and Plastics -10 Multiple Choice Questions

Synthetic fibres and Plastics -10 Multiple Choice Questions

March 6, 2012 by

synthetic 150x150 Synthetic fibres and Plastics 10 Multiple Choice Questions

Synthetic fibers and plastics are alternatives to cotton which is a natural fibre obtained from the cotton plant.Synthetic fibres are manufactured by a number of processes using  petrochemicals. A polymer is made up of many repeating units called monomers.In contrast , the natural cotton ,  is a form of polymer called cellulose, which is made of a large number of glucose units.Characteristics of synthetic fibers:

Test Your Knowledge on Synthetic fibres and Plastics

[viral-lock message="After you LIKE on Facebook  or Google Plus or Tweet, The Test Paper Will Appear ]

Science_Std. VIII_ Synthetic fibres and Plastics

Congratulations - you have completed Science_Std. VIII_ Synthetic fibres and Plastics. You scored %%SCORE%% out of %%TOTAL%%. Your performance has been rated as %%RATING%%
Your answers are highlighted below.
Question 1
Fibre obtained by chemical treatment of wood pulp is called ___________.        
A
Natural silk
B
Rayon
C
Nylon
D
Polyester
Question 2
Nylon is obtained by __________        
A
Treating wood pulp
B
Solidifying water
C
Mixing coal, air and water
D
Mixing chemicals
Question 3
_____________ is stronger than steel wire.        
A
Cotton fibre
B
Silk thread
C
Plastic thread
D
Nylon fibre
Question 4
________ is polyester used for making bottles, utensils, films.        
A
Leather
B
Nylon
C
PET
D
Plastic
Question 5
Polyester is repeating units of _______.        
A
Ether
B
Beads
C
Carbon
D
Ester
Question 6
_______ is a synthetic fibre used for making woollen clothes.        
A
Acrylic
B
Polyester
C
Fibre
D
Cotton
Question 7
You must not wear synthetic fibres while working with fire because _______.        
A
They make you feel cold and so you may get a frost-bite
B
They are lustrous and so they shine under the flame
C
They melt on heating and stick to your body when they catch fire
D
None of the above
Question 8
Synthetic fibres are made using ______ as raw materials.        
A
Woollen products
B
Polymers
C
Cotton
D
Petrochemicals
Question 9
_________ is used commonly for making parachute ropes.        
A
Polyethene
B
Polyester
C
Nylon
D
Silk
Question 10
___________ is a popular polyester.        
A
Plastic
B
Polyethene
C
Rayon
D
Terylene
Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results
There are 10 questions to complete.
[/viral-lock]

 

Comments

comments

Powered by Facebook Comments

Filed Under: Science, VIII Tagged With:
About Ira Periyavallur

Ira believes that knowledge must be shared and applied. She found it difficult to remember the various facts, dates, formulas etc as a student and hence now, as an academician she strives her best to help students remember the facts.

About Indira VMD

Ira believes that knowledge must be shared and applied. She found it difficult to remember the various facts, dates, formulas etc as a student and hence now, as an academician she strives her best to help students remember the facts.

Powered By Indic IME

Click a Button to Share

If you liked page , please share with your friends.