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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:
A base which does not contain a metal ion.
How would you obtain an alkali from a base.
Main constituent of base is ______.
State the term defined by the following sentence:
A soluble base.
Write any four uses of bases.
Which among the following is not a base?
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 pairs are weak bases?
A small amount of copper oxide was taken in a beaker and dilute hydrochloric acid was added with continuous stirring of the solution. Name the compound formed and state the colour of its solution. Write the balanced chemical equation for the reaction that occurs. Based on the reaction, state the nature (acidic/basic) of copper oxide.
