Vidyalelo
Agriculture · Q2

Soil Science

Graduate and Post Graduate · Agriculture · question 2

Q2

Sources of negative charges on silicate clays is/are

A.
Exposed crystal edges
B.
Isomorphus substitution
C.
Anion exchange
D.
All of these
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
Silicate clay is the electro-microscopic clay mineral, which a diameter of fewer than 2 microns.
The sources of negative charges on silicate clays are due to exposed crystal edges, Isomorphus substitution and anion exchange.