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Describe an activity to show that thermoplastic is a poor conductor of electricity
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|
1
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19376
|
August 9, 2020
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Distinguish between Thermoplastic and thermosetting plastic Natural fibres and synthetic fibres
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0
|
5351
|
March 22, 2018
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‘Manufacturing synthetic fibres is actually helping conservation of forests’
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0
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1019
|
March 22, 2018
|
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Write an activity to show that synthetic fibres are stronger than the cotton fibres
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0
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6754
|
March 22, 2018
|
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Despite being very useful it is advised to restrict the use of plastic. Why is it so? Can you suggest some methods to limit its consumption?
|
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0
|
6813
|
March 22, 2018
|
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Write the importance of synthetic polymers in our life
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|
0
|
9473
|
March 22, 2018
|
|
Explain why the plastic containers are favoured for storing food
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|
0
|
657
|
March 22, 2018
|
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Give examples which indicate that nylon fibres are very strong
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|
0
|
15516
|
March 22, 2018
|
|
‘Avoid plastics as far as possible’
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|
0
|
1647
|
March 22, 2018
|
|
Should the handle and bristles of a tooth brush be made of the same material?Explain your answer
|
|
0
|
8341
|
March 22, 2018
|
|
Give examples to show that plastics are non-corrosive in nature
|
|
0
|
634
|
March 22, 2018
|
|
Rana wants to buy shirts for summer
|
|
0
|
2833
|
March 22, 2018
|
|
Explain why the following are made of the thermosetting plastics
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|
0
|
449
|
March 22, 2018
|
|
Categorise the materials of the following products into ‘can be recycled’ and ‘cannot be recycled’:
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0
|
930
|
March 22, 2018
|
|
Explain why some fibres are called synthetic
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|
0
|
694
|
March 22, 2018
|
|
PVC (polyvinyl chloride) is a thermoplastic and is used for making toys, chappals, etc
|
|
0
|
1709
|
March 22, 2018
|
|
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?
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0
|
4352
|
March 22, 2018
|
|
Rohit took with him some nylon ropes, when he was going for rock climbing. Can you tell why he selected nylon ropes instead of ropes made of cotton or jute?
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0
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1322
|
March 22, 2018
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