Qualitative Analysis Self Test

5 Questions | Total Attempts: 2522

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Qualitative Analysis Self Test - Quiz

Self test on observations of Qualitative Analysis. Please type your Class and Name in the name field. Eg. 3S1 Alex Ang>>> Your IP address is tracked.


Questions and Answers
  • 1. 
    Which of the following ions in solution would form a reddish-brown precipitate when aqueous sodium hydroxide solution is added dropwise to it?
    • A. 

      Copper(II) ions

    • B. 

      Iron(II) ions

    • C. 

      Iron(III) ions

    • D. 

      Zinc ions

  • 2. 
    Which of the following ions in solution would form a white precipitate that is soluble in excess sodium hydroxide solution is added to it?
    • A. 

      Aluminium ions

    • B. 

      Calcium ions

    • C. 

      Lead(II) ions

    • D. 

      Zinc ions

  • 3. 
    Which of the following ions in solution would form a white precipitate when acidified barium nitrate solution is added to it?
    • A. 

      Chloride ion

    • B. 

      Iodide ion

    • C. 

      Nitrate ion

    • D. 

      Sulfate ion

  • 4. 
    Which of the following gases fits the following description?"The gas is colourless, pungent and turns moist blue litmus paper pink and bleaches it."
    • A. 

      Ammonia

    • B. 

      Chlorine

    • C. 

      Oxygen

    • D. 

      Sulfur dioxide

  • 5. 
    What would be the observations when aqueous ammonia is added to a solution of zinc nitrate (until in excess) and heated?
    • A. 

      White precipitate formed. On heating, a colourless, pungent gas evolved.

    • B. 

      White precipitate formed which dissolved in excess aqeous ammonia to form a colourless solution.

    • C. 

      White precipitate formed which dissolved in excess aqeous ammonia to form a colourless solution. On heating, a colourless, pungent gas evolved.

    • D. 

      Blue precipitate formed which dissolved in excess aqeous ammonia to form a dark blue solution. On heating, a colourless, pungent gas evolved.

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