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D and F Block Elements Test - 39
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D and F Block Elements Test - 39
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  • Question 1/10
    4 / -1
    The reason for the stability of Gd3+ ion is
  • Question 2/10
    4 / -1
    The black compound formed during the reaction between sodium thiosulphate and silver nitrate is
  • Question 3/10
    4 / -1
    Zn gives H2 gas with H2SO4 and HCl but not with HNO3 because
  • Question 4/10
    4 / -1

  • Question 5/10
    4 / -1
    Colourless solutions of the following four salts are placed separately in four different test tubes and a strip of copper is dipped in each one of these, which solution will turn blue ?
  • Question 6/10
    4 / -1
    General electronic configuration of lanthanides is
  • Question 7/10
    4 / -1
    An atom has electronic configuration1s2 2s2 2p6 3s2 3p6 3d3 4s2 . In which group would it be placed?
  • Question 8/10
    4 / -1
    In acidic medium, KMnO4 oxidises FeSO4 solution. Which of the following statement is correct?
  • Question 9/10
    4 / -1
    Arrange Ce3+, La3+ Pm3+ and Yb3+ increasing order of their ionic radii
  • Question 10/10
    4 / -1
    Which of the following reaction is possible at anode ?
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