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Analytical Chem...

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  • Question 1
    4 / -1

    Which sulphide is soluble in (NH4)2 CO3?

  • Question 2
    4 / -1

    A precipitate of the following would be obtained when HCl is added to a solution of stannous sulphide (SnS) in yellow ammonium sulphide:

  • Question 3
    4 / -1

    Conc. HNO3 is added before proceeding to test for group III members. This is to:

  • Question 4
    4 / -1

    The compound insoluble in acetic acid is:

  • Question 5
    4 / -1

    Of the following sulphides which one is insoluble in dilute acids but soluble in alkalies?

  • Question 6
    4 / -1

    Which of the following radicals will not be precipitated by passing H2S in concentrated acid solution?

  • Question 7
    4 / -1

    H2S will precipitate the sulphides of all the metals from the solution of chlorides of Cu,Zn and Cd, if ?

  • Question 8
    4 / -1

    Which one among the following pairs of ions cannot be separated by H2S in dilute hydrochloric acid?

  • Question 9
    4 / -1

    Pb (CH3COO)2 gives….colour with H2S ?

  • Question 10
    4 / -1

    Sodium carbonate cannot be used in place of ammonium carbonate for the precipitation of the fifth group radicals because:

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