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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
What do you understand by an alkali?
Give one example in the following case:
A basic oxide which is insoluble in water.
Give one example in the following case:
A base which does not contain a metal ion.
Salts are neutral.
Write the balanced equation for the reaction of:
A named acid and a named alkali.
All bases are alkalis.
Phenolphthalein gives ______ colour with lime water.
Sodium carbonate is commercially called ______.
Al(OH)3 & Zn(OH)2 are not alkalis.
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.
