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When a gargoyle is weathered by rain it is chemical weathering. This is because rain is slightly acid in most cases and Gargoyles are made from limestone.This is what happens:

  • Limestone is made of calcium carbonate
  • Acidic rain reacts with calcium carbonate.
  • One of the products is Carbon Dioxide.
  • The other product is Calcium, which dissolves and is washed away.
  • So the limestone weathers.
Whenever a chemical reaction takes place to result with a weathered object it is a chemical reaction.
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12y ago

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