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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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22206
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August 9, 2020
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Write the names of four types of synthetic fibres and write their uses also
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1
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1425
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June 21, 2019
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Distinguish between Thermoplastic and thermosetting plastic Natural fibres and synthetic fibres
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0
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9923
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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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1418
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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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8476
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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
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7694
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March 22, 2018
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Write the importance of synthetic polymers in our life
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0
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10940
|
March 22, 2018
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Explain why the plastic containers are favoured for storing food
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0
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1004
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March 22, 2018
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Give examples which indicate that nylon fibres are very strong
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0
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16348
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March 22, 2018
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‘Avoid plastics as far as possible’
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0
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2677
|
March 22, 2018
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Should the handle and bristles of a tooth brush be made of the same material?Explain your answer
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0
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9112
|
March 22, 2018
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Give examples to show that plastics are non-corrosive in nature
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0
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985
|
March 22, 2018
|
|
Rana wants to buy shirts for summer
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0
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3313
|
March 22, 2018
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Explain why the following are made of the thermosetting plastics
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0
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780
|
March 22, 2018
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Categorise the materials of the following products into ‘can be recycled’ and ‘cannot be recycled’:
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0
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1523
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March 22, 2018
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Explain why some fibres are called synthetic
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0
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1135
|
March 22, 2018
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PVC (polyvinyl chloride) is a thermoplastic and is used for making toys, chappals, etc
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0
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2780
|
March 22, 2018
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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
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5206
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March 22, 2018
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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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1739
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March 22, 2018
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