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GCE Geography 2025 Objective — Question 21

Question 21 of 50 from the General Certificate of Education (GCE) Geography 2025 Objective paper, with the correct answer and a full explanation.

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A chemical reaction between minerals in rocks and water, causing the minerals to break down, is called

  • A. oxidation
  • B. hydrolysisCorrect
  • C. carbonation
  • D. hydration

Explanation

Hydrolysis is a chemical reaction between minerals in rocks and water, where water causes the minerals to break down; this is one of the key forms of chemical weathering.

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