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Describe four ways in which chemical processes influence soil formation

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  1. Hydration – this is the process by which certain minerals absorb water and expand causing internal stress and fracturing the rockmass
  2. Hydrolysis – occurs when cation in rock minerals react with hydrogen from water leading to complete decomposition of the minerals
  3. Carbonation – CO2 in the atmosphere react with rain water to form weak carbonic acid which it comes in contact with rocks eg cacerers rocks it dissolve it
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