Sesquioxide Clays in Humid Climates

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5 Questions

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

One and one-half times

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

Lower solubility

What are sesquioxides?

Mixtures of aluminum hydroxide and iron oxide

Do iron and aluminum oxide clays swell?

No, they do not swell

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

Goethite (Fe2O3.H2O)

Learn about the formation of iron and aluminum oxide clays through extensive leaching and weathering of minerals in humid warm climates. Understand the composition and characteristics of sesquioxide clays.

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