Point of zero change means____________________?
Correct answer: B. Zero charge at surface
- A. All the covalent bonds
- B. Zero charge at surface
- C. All are ionic bond
- D. None of the above
Explanation
The point of zero charge is the pH at which a soil colloid or mineral surface has zero net electrical charge. It does not mean that all bonds at the surface are covalent or ionic.
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