An excess of calcium hydroxide is added to an acidic soil. What happens to the pH of the soil?
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Expert's answer
2012-10-19T09:02:04-0400
Calcium Hydroxide (or Slaked Lime) is a strong base (as are all metal hydroxides, oxides, and carbonates).A Calcium Hydroxide is a substance with a pH of 8 or more. When an acid and a base react, the result is that a salt and water is formed. This also has the effect of neutralising a substance. So slaked lime is added in order to reduce the acidity of the soil.
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