UPMSP Intermediate Agricultural Chemistry Practice Questions - Uttar Pradesh UPMSP Intermediate (Class 12) Agricultural Chemistry - Code 172 Exam

How is soil pH mathematically defined in soil chemistry?

Negative logarithm (base 10) of hydrogen ion concentration: pH = -log[H+] Positive logarithm of hydroxyl ion concentration: pH = log[OH-] Ratio of calcium ions to sodium ions in soil solution Total concentration of hydrogen ions expressed in grams per liter

Correct Answer:

Negative logarithm (base 10) of hydrogen ion concentration: pH = -log[H+]

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