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7th Standard English Medium Science Subject T3 - Polymer Chemistry Book Back 1 Mark Questions with Solution Part - I Question Bank Software Jun-16 , 2021

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7th Standard English Medium Science Subject T3 - Polymer Chemistry Book Back 1 Mark Questions with Solution Part - I

7th Standard English Medium Science Subject T3 - Polymer Chemistry Book Back 1 Mark Questions with Solution Part - I

7th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5

  1. The first man-made fibre is _________

    (a)

    Nylon

    (b)

    Polyester

    (c)

    Rayon

    (d)

    Cotton

  2. Which of the following is the strongest?________

    (a)

    Rayon

    (b)

    Nylon

    (c)

    Acrylic

    (d)

    Polyester

  3. When you place a natural fibre in a flame it______

    (a)

    melts

    (b)

    burns

    (c)

    gets nothing

    (d)

    explodes

  4. A good application of plastic is the use of ________

    (a)

    Blood bags

    (b)

    Plastic cutlery

    (c)

    Plastic straws

    (d)

    Plastic carry bag

  5. ______ is a non-biodegradable material

    (a)

    Paper

    (b)

    A plastic bottle

    (c)

    Cotton cloth

    (d)

    Wool

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