Q613
Humic acid is a fraction of humus, which is
A.
Soluble in alkali and acid
B.
Soluble in alkali and insoluble in acid
AnswerC.
Insoluble in alkali and soluble in acid
D.
Insoluble in both in alkali and acid
Answer: Option B
Solution
Answer: Option B
Solution:
Humic acid is a fraction of humus that is soluble in alkali and insoluble in acid.Humus is the organic and nutrient-providing material of soil, it is formed by the decomposition of leaves and other plant material by soil microorganisms.
Humic acid is the group of molecules that bind to and help plant roots receive, water and nutrients.