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11th Standard Chemistry English Medium Free Online Test Creative 1 Mark Questions - Part Four

11th Standard

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Chemistry

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. Consider the following statements
    i) Matter possesses mass.
    ii) 22-carat gold is a mixture.
    iii) Dry ice is a compound.
    Which of the following statement(s) given above is/ are correct?

    (a)

    1 & 3

    (b)

    Only 1

    (c)

    1 & 2

    (d)

    1,2, & 3

  2. Which one of the following orbitals is spherical in shape?

    (a)

    4s

    (b)

    3p

    (c)

    3d

    (d)

    4f

  3. Law of triad was unable to explain for the element

    (a)

    Ca, Sr and Ba

    (b)

    Fe, Co, Ni

    (c)

    Li, Na, K

    (d)

    CI, Br, I

  4. In the following the element with the highest ionisation energy is

    (a)

    [Ne]3s23p1

    (b)

    [Ne]3s23p3

    (c)

    [Ne]3s23p2

    (d)

    [Ne]3s23p4

  5. Hydrogen is used in _________

    (a)

    hydrogenation of oils

    (b)

    fuel cells

    (c)

    gas bags for air ships

    (d)

    all the above

  6. Hydrogen combines with carbon monoxide in the presence of copper catalyst will synthesise-------

    (a)

    Ethanol

    (b)

    Methane

    (c)

    Methanol

    (d)

    Methanal

  7. Which of the following non-metal reacts with ordinary water?

    (a)

    Carbon

    (b)

    Sulphur

    (c)

    Chlorine

    (d)

    Phosphorous

  8. Which of the following is used to remove toxic and heavy metals from water?

    (a)

    zeolites

    (b)

    magnesia

    (c)

    Bleaching agent

    (d)

    lime

  9. Which one of the following is prepared in industry by the auto-oxidation of 2-alkylanthraquional?

    (a)

    Heavy water

    (b)

    Deuterium

    (c)

    Hydrogen peroxide

    (d)

    Tritium

  10. Which of the following is the correct order of stability of bonds?

    (a)

    Hydrogen bond < Covalent bond < Vanderwaals bond

    (b)

    Vanderwaals bond < Hydrogen bond < Covalent bond

    (c)

    Vanderwaals bond> Hydrogen bond> Covalent bond

    (d)

    Covalent bond < Hydrogen bond < Vanderwaals bond

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