Environment & Ecology · Environmental Science
Which of the following statements regarding soil organic matter and colloids is INCORRECT?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Humic and fulvic acids form purely hydrophobic colloids, whereas clay colloids are entirely hydrophilic.✓
- 2Humus retains chemical structures derived from cellulose and hemicellulose fragments.
- 3Highly acidic soils are significantly depleted of basic exchangeable cations.
- 4Humus represents highly decomposed organic matter that is dark in color.
Correct answer
Humic and fulvic acids form purely hydrophobic colloids, whereas clay colloids are entirely hydrophilic.
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