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Why is slaked lime useful in treating acidic soil?

Answer and explanation

Correct answer: It is basic and reduces acidity

The governing concept is neutralisation and pH correction. Acidic soil has an excess of acidic substances and therefore a relatively low pH. Slaked lime, calcium hydroxide, Ca(OH)₂, is a base; it reacts with acidic components and reduces their acidity. This raises the soil pH toward a more suitable range for plants. Thus option A is correct, while the other choices contradict basic chemistry or describe impossible changes.

Related tags

Soil PhSlaked LimeNeutralisationAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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