Vidyalelo
Agriculture · Q32

Soil Science

Graduate and Post Graduate · Agriculture · question 32

Q32

Size of colloidal clay particle is less than

A.
0.0002 m
B.
0.02 mm
C.
0.002 mm
Answer
D.
None of these

Answer: Option C

Solution

Answer: Option C
Solution:
A colloid is a glue-like organic or inorganic matter with too little particle size but a large surface area per unit mass or volume.
The size of the clay particles is the smallest. It is less than 0.002 mm in diameter.
Moreover, the size of sand is 2.0 to 0.05 mm and Silt is 0.05 to 0.002 mm.