What is the correct reason for adding organic matter to highly basic soil?
Answer and explanation
Correct answer: It can slowly provide an acidic effect and balance pH
The governing concept is adjustment of an unsuitable soil pH. Highly basic soil has a high pH and may not support every crop well. Decomposing organic matter, such as compost or manure, produces organic acids and other substances gradually. These can reduce excessive alkalinity and improve soil conditions over time. Therefore option A is the best answer. The process does not make soil metallic, produce chlorine, or generally raise an already high pH.
Frequently asked questions
What is the correct answer to this question?
It can slowly provide an acidic effect and balance pH
Why is this the correct answer?
The governing concept is adjustment of an unsuitable soil pH. Highly basic soil has a high pH and may not support every crop well. Decomposing organic matter, such as compost or manure, produces organic acids and other substances gradually. These can reduce excessive alkalinity and improve soil conditions over time. Therefore option A is the best answer. The process does not make soil metallic, produce chlorine, or generally raise an already high pH.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.
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