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D and F Block Elements Test - 34
Result
D and F Block Elements Test - 34

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  • Question 1/10
    4 / -1
    Nitriding is the process of surface hardening steel by treating it in an atmosphere of
  • Question 2/10
    4 / -1
    Which one of the following ions will have maximum number of unpaired electrons ?
    (At. No. Fe = 26 , Co= 27)
  • Question 3/10
    4 / -1
    The oxidation state of Cr in K2Cr2O7 is
    Solutions

  • Question 4/10
    4 / -1
    A blue colouration is not obtained when
    Solutions

  • Question 5/10
    4 / -1
    The correct ground state electronic configuration of chromium atom (Z = 24) is
  • Question 6/10
    4 / -1
    The electronic configuration of four elements are given below. Which element does not belong to the same family as others?
  • Question 7/10
    4 / -1
    The aqueous solution of the following salts will be coloured in the case of
  • Question 8/10
    4 / -1
    Which of the following compounds is formed when a mixture of K2Cr2O7 and NaCl is heated with conc. H2SO4?
  • Question 9/10
    4 / -1

    Solutions

  • Question 10/10
    4 / -1
    Sodium thiosulphate is used in photography because of its
    Solutions

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