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Which type of substance can be useful to improve basic soil?

Answer and explanation

Correct answer: Organic matter

The governing concept is adjustment of soil pH through acid-base action. Excessively basic soil can be improved by adding suitable organic matter, because decomposition may produce weak organic acids that gradually reduce alkalinity and improve the soil condition. Sodium hydroxide and washing soda are basic and would generally increase alkalinity; bleaching powder is not the appropriate amendment for this purpose. Therefore organic matter is the best answer among the choices.

Related tags

Acids Bases SaltsBasic SoilOrganic MatterSoil PhNeutralisationAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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