Discussion :: World Agriculture, Minerals and Industries
- Which of the following represents the process of chemical weathering?
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A.
Thermal expansion and contraction |
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B.
Mass exfoliation |
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C.
Hydration and Hydrolysis |
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D.
Frost action and crystal growth |
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Answer : Option C
Explanation :
Hydration and Hydrolysis represents the process of chemical weathering. In Hydration, Chemical combination of water molecules with a particular substance or mineral leading to a change in structure. In Hydrolysis, Most important process in chemical weathering. It is due to the dissociation of H2O into H+ and OH- ions which chemically combine with minerals and bring about changes, such as exchange, decomposition of crystalline structure and formation of new compounds. Water acts as a weak acid on silicate minerals.
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