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Analytical Test...

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  • Question 1
    4 / -1

    Sometimes yellow turbidity appears while passing H2S gas even in the absence of II group radicals This is because of

  • Question 2
    4 / -1

    The ion that cannot be precipitated by both HCl and H2S is

  • Question 3
    4 / -1

    In fifth group,(NH4)2CO3 is added to precipitate out the carbonates. We do not add Na2CO3 because

  • Question 4
    4 / -1

    Which of the following cations is detected by the flame test ?

  • Question 5
    4 / -1

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

  • Question 6
    4 / -1

    In Nessler’s reagent, the active ion is

  • Question 7
    4 / -1

    A metal salt solution gives a yellow precipitate with silver nitrate. The precipitate dissolves in dilute nitric acid as well as in ammonium hydroxide. The solution contains

  • Question 8
    4 / -1

    Which of the following form a hydroxide highly soluble in water ?

  • Question 9
    4 / -1

    A metal salt solution forms a yellow precipitate with potassium chromate in acectic acid, a white precipitate with dilute sulphuric acid,but gives no precipitate with sodium chloride or iodide, it is

  • Question 10
    4 / -1

    Which of the following combines with Fe(II) ions to form a brown complex

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