Q26 of 83 Page 55

What type of shirts should we buy for summer: cotton shirts or shirts made from synthetic materials (like polyester)? Give reason for your answer.

We should buy cotton shirts to wear in summers. This is because cotton absorbs sweat from our body and allows it to evaporate into the air. It also discourages the growth of bacteria and does not cause any skin allergies.


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Write the uses of acrylic fibres.

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Why should we not wear clothes made of synthetic fibres (like nylon or polyester) while working in the kitchen?

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Explain how, manufacturing of synthetic fibres is actually helping in the conservation of forests.

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What are plastics? Name any five commonly used articles made of plastics.