Moderate
The acidity of soil is primarily due to
Correct answer: C. Both (a) & (b)
- A. H+
- B. AI+3
- C. Both (a) & (b)
- D. H+ and Zn+2
Explanation
Soil acidity is caused directly by hydrogen ions and is also strongly associated with hydrolysis of exchangeable aluminium, which releases additional H+ ions. Thus both H+ and Al3+ are important sources.
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