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What does the term “liming” mean?

(a) Application of magnesium and calcium rich substances to soil

(b) Erosion of calcium carbonate(lime) zones in soil

(c) Excessive growth of lemon trees in acid rain prone regions

(d) None of the mentioned

The question was asked at a job interview.

My question is taken from Acid Rain topic in chapter Particulates, Acid Rain & Aerosols of Environmental Engineering

1 Answer

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Best answer
Correct option is (a) Application of magnesium and calcium rich substances to soil

To elaborate: Liming is done to neutralise soils that become acidic due to excessive acidic rainfall, but is known to have harmful impact on plant life.

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