Permanent change in soil is due to__________________?
Correct answer: B. Isomorphic substitution
- A. Ionic bonding
- B. Isomorphic substitution
- C. Covalent bonding
- D. pH change
Explanation
Isomorphic substitution replaces one ion in a clay mineral lattice with another of similar size, creating a permanent charge that does not depend on pH. This differs from pH-dependent charge caused by surface reactions.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Soil Science
377 free Soil Science MCQs from Agriculture, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Agriculture questions like this
Agriculture is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Soil Science questions
Gravimetric water is present in______________________?
Vertical movement of water was studied by_________________?
When two or more functional groups of single ligand are coordinated to metal cation the complex is termed as___________________?
Which element can be fixed by smecitite___________________?
Slipperiness is due to__________________?
Who characterized soil formation as set of "4" process______________________?