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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?
पर्याय
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
Give one example in the following case:
An oxide which is a base.
How would you obtain an alkali from a base.
Why indicator does not get affected by salt?
Salts are neutral.
Bases are soapy to touch when they are dry.
Which of the following is not a base?
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 |
Boojho, Paheli and their friend Golu were provided with a test tube each containing China rose solution which was pink in colour. Boojho added two drops of solution ‘A’ in his test tube and got dark pink colour. Paheli added 2 drops of solution ‘B’ to her test tube and got green colour. Golu added 2 drops of solution ‘C’ but could not get any change in colour. Suggest the possible cause for the variation in their results.
Match the following:
| 1. | Sulphuric acid | a. | Weak base |
| 2. | Sodium hydroxide | b. | Strong acid |
| 3. | Acetic acid | c. | Strong base |
| 4. | Ammonium hydroxide | d. | Weak acid |
All bases are alkalis but all alkalis are not bases.
