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The Ph of Soil a is 7.5 While that of Soil B is 4.5. Which of the Two Soils, a Or B, Should Be Treated with Powdered Chalk to Adjust Its Ph and Why? - Science

The pH of soil A is 7.5 while that of soil B is 4.5. Which of the two soils, A or B, should be treated with powdered chalk to adjust its pH and why?

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Solution

Soil B, with a pH of 4.5, is very acidic and is thus not suitable for the normal growth of plants. Therefore, to reduce its acidity, soil B should be treated with powdered chalk (CaCO3), which is a base.

Concept: Indicators
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Lakhmir Singh Class 10 Chemistry (Science)
Chapter 2 Acids, Bases and Salts
Q 10 | Page 79
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