Long questions

• In your answer book, match each of the letters A, B, C and D with the weathering process from the following list that best matches it.

  Oxidation: B

  Freeze-thaw: C

  Exfoliation: D

  Carbonation: A

  
• Oxidation, Freeze-thaw, Exfoliation, Carbonation

  State whether each of the weathering processes in the list above, is most associated with chemical weathering or mechanical weathering.

  Oxidation: Chemical

  Freeze-thaw: Mechanical

  Exfoliation: Mechanical

  Carbonation: Chemical
• Explain briefly what is meant by hydrolysis

  Hydrolysis is a type of chemical weathering. It occurs when water reacts with minerals in rock. This causes the chemical composition of the rock to change. An example of hydrolysis is when feldspar in granite rock changes to clay.