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Analytical Chem...

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  • Question 1
    4 / -1

    Which of the following mixture is chromic acid?

  • Question 2
    4 / -1

    In the precipitation of the iron group in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide to:

  • Question 3
    4 / -1

    A 0.3 M HCl solution contains the following ions Hg++ , Cd++, Sr++, Fe++, Cu++ The addition of H2S to above solution will precipitate:

  • Question 4
    4 / -1

    In the group III radicals, in place of NH4Cl which of the following can be used:

  • Question 5
    4 / -1

    In qualitative analysis, in order to detect second group basic radical, H2S gas is passed in the presence of dilute HCl to:

  • Question 6
    4 / -1

    What weight of sodium hydroxide is required to neutralise 100 ml of 0.1 N–HCl?

  • Question 7
    4 / -1

    Phenolphthalein is not a good indicator for titrating?

  • Question 8
    4 / -1

    Yellow ammonium sulphide solution is a suitable reagent for the separation of:

  • Question 9
    4 / -1

    If 20 ml of 0.25 N strong acid and 30 ml of 0.2 N of strong base are mixed, then the resulting solution is:

  • Question 10
    4 / -1

    8 ml of N/10 HCl 10 are required to neutralize 20 ml solution of Na2CO3 in water. Normality of Na2CO3 solution is:

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