What do farmers generally add to improve acidic soil?
Answer and explanation
Correct answer: Slaked lime (calcium hydroxide)
Acidic soil has a pH below the desirable range for many crops. Slaked lime, calcium hydroxide, is a base that reacts with and neutralises excess acids in the soil, thereby raising its pH; option A is correct. Vinegar and lemon juice contain acids and would increase acidity. Common salt is not normally added as a neutralising agent and may harm soil quality in excess.
Frequently asked questions
What is the correct answer to this question?
Slaked lime (calcium hydroxide)
Why is this the correct answer?
Acidic soil has a pH below the desirable range for many crops. Slaked lime, calcium hydroxide, is a base that reacts with and neutralises excess acids in the soil, thereby raising its pH; option A is correct. Vinegar and lemon juice contain acids and would increase acidity. Common salt is not normally added as a neutralising agent and may harm soil quality in excess.
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.
