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Synthetic Fibre...

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  • Question 1
    1 / -0

    Use the following information to answer the next question.

    The given table lists some wastes and the approximate time for their degradation.

    Type of waste

    Approximate time for degradation

    Paper

    10 − 30 days

    Wood

    10 − 15 years

    Cotton clothes

    2 − 5 months

    Metal cans

    100 − 500 years

    Which of the following wastes is non-biodegradable?

  • Question 2
    1 / -0

    Which of the following statements regarding thermoplastics and thermosetting plastics is incorrect?

  • Question 3
    1 / -0

    Use the following information to answer the next question.

    In environmental science class, a student learns that the 4R principle is used to protect the environment. The teacher asked a student to name the four R’s in the 4R principle. The student correctly gives the name for three ‘R’s as Reduce, Reuse, and Recycle. However, the student cannot name the last ‘R’.

    What does the fourth ‘R’ stand for?

  • Question 4
    1 / -0

    Which of the following fibres is not a natural fibre?

  • Question 5
    1 / -0

    Silk was first discovered in

  • Question 6
    1 / -0

    Which of the following fibres is a polymer called cellulose?

  • Question 7
    1 / -0

    Which of the following fibres is a synthetic fibre?

  • Question 8
    1 / -0

    Which of the following synthetic fibres is also known as ‘artificial silk’?

  • Question 9
    1 / -0

    Which of the following properties of synthetic fibres is a disadvantage for it?

  • Question 10
    1 / -0

    Which of the following statements is a disadvantage for plastics?

  • Question 11
    1 / -0

    Which of the following fabrics is very similar to wool?

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