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12th Standard English Medium Chemistry Subject Chemistry In Everyday Life Creative 1 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5
  1. Zeiglar Natta catalyst is _________

    (a)

    TiCl4 + (C2H5)3 Al

    (b)

    - (CF2 - CF2) -

    (c)

    TiCl4

    (d)

    (C2H5)3 Al

  2. Addition polymerisation is also called as _______ polymerisation.

    (a)

    chain growth

    (b)

    condensation

    (c)

    step growth

    (d)

    none of the above

  3. The polymer obtained by the condensation of phenol with formaldehyde is ________

    (a)

    Terylene

    (b)

    Nylon - 6

    (c)

    Bakelite

    (d)

    Neoprene

  4. The specific treatment of a disease using medicine is known as ________

    (a)

    inhibitors

    (b)

    chemotherapy

    (c)

    Competitire inhibiters

    (d)

    both (a) and (c)

  5. Proteins which act as biological catalysts are called ________

    (a)

    enzymes

    (b)

    hormones

    (c)

    vitamins

    (d)

    polymers

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