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PSEB-SYNTHETIC FIBRES AND PLASTICS-EXERCISE
- explain why iron sheets are coated with zinc layer?
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- Mark correct for the correct answer. Rayon is different from syntheti...
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- Fill in the blanks with appropriate words. Synthetic fibres are also...
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- Fill in the blanks with appropriate words. Synthetic fibres are synt...
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- Fill in the blanks Like synthetic fibres, plastic is also a………………
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- Give examples which indicate that nylon fibres are very strong .
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- Explain why plastic containers are favoured for storing food.
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- Write down differences between thermosetting polymers and thermoplasti...
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- Explain why the following are made of thermosetting plastics. Sauce...
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- Explain why the following are made of thermosetting plastics. Elect...
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- Categorise the materials of the following products into' can be recycl...
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- Rana wants to buy shirts for summer. Should he buy cotton shirts or sh...
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- Give examples to show that plastics are non -corrosive in nature.
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- Should the handles and bristles of a toothbrush be made of the same ma...
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- Avoid plastics as far as possibl',. Comment on this advice.
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- Manufacturing synthetic fibres is actually helping the conservation o...
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- Describe an activity to show that thermoplastic is a poor conductor of...
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