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Analytical Test...

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  • Question 1
    4 / -1

    Black precipitates form in many metal ion solutions, then which anion is used as a precipitating agent?

  • Question 2
    4 / -1

    Upon treatment with ammoniacal H2S, the metal ion solutions that precipitates as a sulphide is

  • Question 3
    4 / -1

    Which one of the following metallic hydroxides does not dissolve in sodium hydroxide solution?

  • Question 4
    4 / -1

    Fe(OH)3 can be separated from Al(OH)3 by the addition of

  • Question 5
    4 / -1

    The hydroxide insoluble in NH4OH + NH4Cl is

  • Question 6
    4 / -1

    In Nessler's reagent for the detection of ammonia the active species is

  • Question 7
    4 / -1

    When H2S gas is passed in a metal sulphate solution in presence of NH4OH, a white precipitate is produced. The metal is identified as

  • Question 8
    4 / -1

  • Question 9
    4 / -1

    Which of the following sulphides is yellow in colour ?

  • Question 10
    4 / -1

    The principle involved in the classification of basic radicals, is

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