Question

Difference between oxidation and carbonation in geography

Answer 1

Answer:

Oxidation is the reaction of rock minerals with oxygen, thus changing the mineral composition of the rock. When minerals in rock oxidize, they become less resistant to weathering. Iron, a commonly known mineral, becomes red or rust colored when oxidized.

Carbonation is the process of rock minerals reacting with carbonic acid. Carbonic acid is formed when water combines with carbon dioxide. Carbonic acid dissolves or breaks down minerals in the rock.

CO2 + H2O → H2CO3

(carbon dioxide + water → carbonic acid)

CaCO3 + H2CO3 → Ca2+ + 2HCO3-

(calcite + carbonic acid → calcium + bicarbonate

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Answer 2

Explanation:

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