Which of the Following Does Not Describe Aluminum Hydroxy Ions

question 70

Multiple Choice

Which of the following does not describe aluminum hydroxy ions (such as Al(OH) ₂₊) in the soil?

• A) They are more prominent in acid than in neutral soils.
• B) They affect the pH of the soil solution through hydrolysis.
• C) They block negative sites on some clays thereby reducing the cation exchange capacity.
• D) They influence the swelling of some clays by entering into the interlayer spaces.
• E) They are commonly applied to help reduce the soil pH for acid-loving plants.

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