Geography
Answer
In chemical weathering, some or all of the minerals in the rocks suffer decay or alteration, by such agents as water, oxygen, carbon or various organic acids, and transform into different chemical combinations.
Four main processes involved in chemical weathering are-
- Oxidation
- Carbonation
- Hydration
- Solution
Related Questions
Give a geographical reason for each of the following:
(i) Physical weathering is also called mechanical weathering.
(ii) Physical weathering is more rapid in desert climates.
(iii) Chemical weathering occurs in moist and cold climates.
Draw a well labelled diagram to show the process of physical weathering.
What is biological weathering? State the main agents of biological weathering.
Give a geographical reason for each of the following:
(i) Biological weathering is also known as organic weathering.
(ii) Vegetation prevents disintegration of rocks.
(iii) Chemical and biological weathering is negligible in polar climates.