Sesquioxide Clays in Humid Climates
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Questions and Answers

What do the Latin word 'sesqui' mean in relation to sesquioxides?

  • One and one-half times (correct)
  • Half times
  • Twice
  • One and three-quarters times

    • What is the solubility of sesquioxides compared to primary minerals after extensive leaching?

  • Completely insoluble
  • Higher solubility
  • Same solubility
  • Lower solubility (correct)

    • What are sesquioxides?

  • Mixtures of iron hydroxide and aluminum oxide
  • Mixtures of aluminum hydroxide and aluminum oxide
  • Mixtures of iron hydroxide and iron oxide
  • Mixtures of aluminum hydroxide and iron oxide (correct)

    • Do iron and aluminum oxide clays swell?

    <p>No, they do not swell</p> Signup and view all the answers

    Which of the following is an example of iron oxide common in soils?

    <p>Goethite (Fe2O3.H2O)</p> Signup and view all the answers

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