Preconcentration Techniques for Metal Ions
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Questions and Answers

Which group of metals are normally mobile cations in aqueous solution?

  • Heavy metals
  • Metalloids
  • Transition metals
  • Light metals (correct)
  • Which group of metals may be toxic in high concentrations?

  • Light metals
  • Heavy metals
  • Transition metals (correct)
  • Metalloids
  • Which sources are the major source of metallic pollutants in aquatic systems?

  • Natural erosion
  • Household waste
  • Industrial effluents (correct)
  • Agricultural runoff
  • Which type of industries contribute to the discharge of metallic pollutants into aquatic systems?

    <p>Mining operations</p> Signup and view all the answers

    Why are heavy metals recognized as major pollutants in aquatic systems?

    <p>They exist for a long time in the environment</p> Signup and view all the answers

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