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| 1. |
The pH of soil A is 7.5 while that of soil B is 4.5. Which of the two should be treated with powdered chalk to adjust its pH and why ? |
| Answer» SOLUTION :SOIL having pH 4.5 should be TREATED with powdered chalk to adjust its p.H. Soil B is too acidic. Its ACIDITY can be reduced by adding powdered chalk `(CaCO_3)` , which is a base. | |