p Block Elements Online Mock Test 1

This Quiz named p Block Elements Online Mock Test is a Simple test for 10+2 Science group students which contain online mock Questions in p Block Elements Class XII. Just participate in it and test your skill. ❤❤❤❤❤❤❤

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p Block Elements Online Mock Test Set-1

  1. Among the halogen acids, the weakest acid is
  2. HI
    HBr
    HCl
    HF

  3. An element is burnt in limited supply of air to give an oxide A, which on treatment with water gives an acid B. Acid B on heating gives acid C which gives yellow precipitate with silver nitrate solution. Oxide A is
  4. P2O3
    SO2
    CO2
    NO2

  5. An element which belongs to group 14 is soft in nature, does not react with pure water, but dissolves in water containing dissolved air. Then the element is
  6. C
    Ge
    Pb
    Ti

  7. Inert gas used in beacon lights for safety of air navigation is
  8. Helium
    Argon
    Neon
    Xenon

  9. The compound used as smoke screen is
  10. PCl3
    PCl5
    PH3
    H3PO3

  11. The compound used to arrest the bleeding is
  12. K2SO4
    Potash alum
    Al2(SO4)3
    KI

  13. The compound with garlic odour is
  14. P2O3
    P2O5
    H3PO3
    H3PO4

  15. The compound with garlic taste is
  16. H3PO4
    H3PO3
    P2O3
    P2O5

  17. The general electronic configuration of carbon family is
  18. ns2np2
    ns2np3
    ns2np1
    ns2np4

  19. The lightest gas which is non-inflammable is
  20. He
    H2
    N2
    Ar

  21. The metalloid among the following is
  22. Pb
    P
    Ge
    Sn

  23. The noble gases are unreactive because they
  24. have same number of electrons
    have an atomicity of one
    are gases with low density
    have stable electronic configuration

  25. The shape of PCl5 is
  26. Bipyramidal
    Trigonal bipyramidal
    Linear
    Tetrahedral

  27. The shape of XeF4 is
  28. Tetrahedral
    Octahedral
    Square planar
    Pyramidal

  29. The toxic element of Boron family is
  30. Boron
    Indium
    Thallium
    Gallium

  31. Which of the following does not belong to group 13?
  32. B
    Al
    Ge
    In

  33. Which of the following does not belong to group 14?
  34. C
    Si
    Ga
    Pb

  35. Which of the following has the property of etching on glass?
  36. HI
    HF
    HBr
    HCl

  37. Which of the following shows negative (–1) oxidation state only?
  38. Br
    F
    Cl
    I

  39. Which of the following is most abundant in earth’s crust?
  40. C
    Si
    Ge
    Sn

  41. Which of the following is the second most abundant element in earth’s crust?
  42. Carbon
    Silicon
    Germanium
    Tin

  43. Halogens belong to the group number
  44. 14
    15
    17
    18

  45. Which is not known?
  46. XeF6
    XeF4
    XeO3
    ArF6

  47. Which of the following has highest first ionisation energy?
  48. He
    Ne
    Ar
    Kr

  49. Which has the least melting point?
  50. B
    Al
    Ga
    In

  51. One can draw the map of building on a glass plate by
  52. HI
    HF
    HBr
    HCl

  53. Without lone pair of electrons in AX3 type of interhalogen compounds, its shaped is
  54. trigonal bipyramidal
    tetrahedral
    T – shaped
    square planar

  55. The metal which exist as a liquid at room temperature is
  56. Germanium
    Indium
    Gallium
    Thallium

  57. The compound employed to arrest the bleeding is
  58. K2SO4.Al2(SO4)3.4Al(OH)3
    K2SO4.Al2(SO4)3.24Al(OH)3
    K2SO4.Al2(SO4)3.4H2O
    K2SO4.Al2(SO4)3.24H2O

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p Block Elements Online Mock Test 1


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