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A Farmer Has Found that the Ph of Soil in His Fields is 4.2. Name Any Two Chemical Materials Which He Can Mix with the Soil to Adjust Its Ph. - Concept of Ph Scale

A farmer has found that the pH of soil in his fields is 4.2. Name any two chemical materials which he can mix with the soil to adjust its pH.

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Solution

If the pH of the soil is 4.2, then it is highly acidic. Hence, the soil should be treated with chemicals (bases) such as quick lime (calcium oxide) or slaked lime (calcium hydroxide).

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