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प्रश्न
Give the significance of pH of soil in agriculture.
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उत्तर
In agriculture, the pH of soil is very important. Citrus fruits require slightly alkaline soil, while rice requires acidic soil and sugarcane requires neutral soil.
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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.
Distinguish between acid and alkali (other than indicators).
Chemical formula of calcium oxide is _______
On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution?
State whether the following statement is true or false. Correct the false statement.
Lime water turns red litmus blue.
Water-soluble bases are called ______.
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 |
Which of the following solutions do not conduct electricity?
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