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Which substance can be added to basic soil so that acidic substances may gradually form?

Answer and explanation

Correct answer: Organic matter

Basic soil has an excess of alkaline substances, so adding another strong or moderately basic material would not correct it. Organic matter can decompose through microbial activity and produce humus and various mildly acidic substances. These products may gradually lower the soil’s alkalinity. Lime, sodium hydroxide, and washing soda are basic materials and would generally maintain or increase basicity. Therefore, option C is correct.

Related tags

Basic-SoilOrganic-MatterSoil-TreatmentAlkalinityAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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