A.10 Environmental Heavy Metals Hl Quiz

4 Questions
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Technology Quizzes & Trivia

Multiple Choice Quiz


Questions and Answers
  • 1. 
    Match the mode of action to the heavy metal.
    • A. Binds to sulphur denaturing enzymes
    • A.
    • B. Mimics action of Zn with enzymes
    • B.
    • C. Deactivates haemoglobin
    • C.
  • 2. 
    What is the solubility product constant for Hg2CO3?
    • A. 

      [Hg+]3[CO32-]2

    • B. 

      [Hg+]2[CO32-]3

    • C. 

      [Hg+][CO32-]2

    • D. 

      [Hg+]2[CO32-]

  • 3. 
    Ion exchange is an example of what?
    • A. 

      Adsorption

    • B. 

      Precipitation

    • C. 

      Chelation

  • 4. 
    What are the characteristic features of EDTA?
    • A. 

      Monodentate

    • B. 

      Bidentate

    • C. 

      Hexadentate

    • D. 

      Polydentate

    • E. 

      Increases entropy

    • F. 

      Increases enthalpy

    • G. 

      Hydrogen bonding

    • H. 

      Dative covalent bonding