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D and F Block Elements Test - 27
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D and F Block Elements Test - 27
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  • Question 1/10
    4 / -1
    Actinides
  • Question 2/10
    4 / -1
    Coinage metals show the properties of
  • Question 3/10
    4 / -1
    Common oxidation state of scandium, a transition element, is/are [At. No of Sc = 21]
  • Question 4/10
    4 / -1
    Among the following statements, the incorrect one is
  • Question 5/10
    4 / -1
    The lanthanide contraction is responsible for the fact that
  • Question 6/10
    4 / -1
    Ammonium dichromate is used in some fire works. The green coloured powder blown in the air is
    Solutions

  • Question 7/10
    4 / -1
    Which of the following element is responsible for oxidation of water to O2 in biological process ?
  • Question 8/10
    4 / -1
    Addition of high proportions of manganese makes steel useful in making rails of rail roads because manganese
  • Question 9/10
    4 / -1
    Oxidation state of osmium (OS) in OsO4 is
    Solutions

  • Question 10/10
    4 / -1
    Which of the following transition element shows the highest oxidation state
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