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Fibres and Plas...

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  • Question 1
    1 / -0

    Which of the following statements is/are correct?

    (a) Nylon thread is stronger than steel wire.
    (b) Rayon is obtained from wood pulp.
    (c) Nylon is used to make bristles of tooth brushes.

  • Question 2
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    Synthetic fibres are made using ______ as raw materials.

  • Question 3
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    You must not wear synthetic fibres while working with fire because ____________.

  • Question 4
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    Which of the following statements is incorrect?

  • Question 5
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    Which of the following is a popular polyester?

  • Question 6
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    Which of the following elements is NOT a constituent of nylon?

  • Question 7
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    What type of bonds are involved in the formation of nylon?

  • Question 8
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    Which of the following is NOT a property of thermoplastics?

  • Question 9
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    Which of the following is not an example of thermosetting plastics?

  • Question 10
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    Which of the following statements is incorrect about plastics?

  • Question 11
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    Pure nylon is not used in the making of

  • Question 12
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    Which of the following is not a type of nylon?

  • Question 13
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    Which of the following fibres is regenerated fibre?

  • Question 14
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    Which of the following statements are true?
    (a) Synthetic fibres are very durable.
    (b) Synthetic fibres are not attacked by insects or pests.
    (c) Synthetic fibres are environment friendly.
    (d) Plastics which, once moulded, can be softened by heating are called thermosetting plastics.

  • Question 15
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    Which of the following fibres resembles wool?

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