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Explain why plastics are considered good...

Explain why plastics are considered good substitutes for glass, metal and wood.

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Plastic is highly resistant to air, water, microbes and chemicals. They do not get ruined due to changing seasons.
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PEARSON IIT JEE FOUNDATION-SYNTHETIC FIBRES AND PLASTICS -CLASSROOM CORNER (Very Short Answer Type Questions) (Subjective Type Questions)
  1. Name the strongest synthetic fibres present in the world.

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  2. How many types of synthetic fibre available nowadays?

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  3. Name the strongest natural material.

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  4. Which is one of the cheapest natural fibre present in the market?

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  5. Explain why nylon is called fully synthetic fibre.

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  6. Explain from where does polyethylene actually come from.

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  7. What is the most common source of synthetic fibre?

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  8. Explain why is melamine used for making kitchenware.

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  9. Explain why plastic containers are favoured for storing food.

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  10. Why do synthetic fabrics soak less or more water than the natural fabr...

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  11. Explain why do synthetic fibres take less time to dry. Comment.

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  12. Why does rayon absorb more water than other synthetic fibres?

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  13. Is polypropylene a synthetic fibres? Justify your answer.

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  14. Have you ever wondered how plastics are available in all the possible ...

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  15. Explain why plastics are considered good substitutes for glass, metal ...

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  16. Discuss why are the handles of utensils used for cooking and pliers us...

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  17. Discuss the striking differences between thermoplastics and thermosett...

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  18. Should the handle and the bristles of the tooth brush be made of the s...

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