Q63
Chemical weathering is a name given to
A.
Disintegration of rocks without any change in their chemical composition
B.
Chemical interaction of oxygen, carbon dioxide or water with the minerals in the rocks
AnswerC.
Removal of soil by chemical action
D.
Artificial breaking up of rocks for man's use
Answer: Option B
Solution
Answer: Option B
Solution:
Chemical weathering is a name given to Chemical interaction of oxygen, carbon dioxide or water with the minerals in the rocks. Chemical weathering changes the molecular structure of rocks and soil. For instance, carbon dioxide from the air or soil sometimes combines with water in a process called carbonation. This produces a weak acid, called carbonic acid, that can dissolve rock.