During chemical weathering, when minerals in feldspar change to kaolinite clays, the process is termed as:

  1. A. Carbonation
  2. B. Chelation
  3. C. Hydration
  4. D. Oxidation

Correct Answer: C. Hydration

Explanation

The chemical weathering of feldspar into kaolinite clay involves the absorption of water into the mineral lattice, a process best categorized as hydration (along with hydrolysis).

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