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प्रश्न
When the soil is too basic, plants do not grow well in it. To improve its quality what must be added to the soil?
विकल्प
Organic matter
Quick lime
Slaked lime
Calamine solution
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उत्तर
Organic matter
Explanation:
Organic matter is to be added to a basic soil to neutralise the base and improve its quality.
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संबंधित प्रश्न
What do you understand by an alkali?
How would you obtain an alkali from a base.
Main constituent of base is ______.
What is the difference between an alkali and a base?
Write the balanced equation for the reaction of:
A named acid and a named alkali.
Match the important chemicals given in Column (A) with the chemical formulae given in Column (B)
| Column (A) | Column (B) |
| (a) Plaster of Paris | Ca(OH)2 |
| (b) Gypsum | CaSO4. 1/2 H2O |
| (c) Bleaching Powder | CaSO4.2H7O |
| (d) Slaked Lime | CaOCl2 |
Look at figure which shows solutions taken in test tubes A, B, C and D. What colour is expected when a piece of red litmus paper is dropped in each test tube? Nature of the solutions is given in the table for your help.
| Test tube | Nature of Solution | Change in colour of red litmus |
| A | Neutral | |
| B | Basic | |
| C | Acidic | |
| D | Neutral |
Name the base which is present in a window cleaner.
What does the acidity of the base mean?
Al(OH)3 & Zn(OH)2 are not alkalis.
