Q602
Walkley & Black method is associated with
A.
N
B.
Org.C
AnswerC.
P
D.
K
Answer: Option B
Solution
Answer: Option B
Solution:
Walkley & Black method is associated with soil organic Carbon. It helps in determining carbon.This method quantifies the amount of oxidizable organic matter in which OM is oxidized with a known amount of chromate in the presence of Sulphuric acid. The remaining chromate is determined spectrophotometrically at 600 nm wavelength.