Advertisements
Advertisements
प्रश्न
Give the significance of pH of soil in agriculture.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
What is the difference between an alkali and a base?
Wasp sting contains _______.
Bases are soapy to touch when they are dry.
On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution?
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 |
Bases are chemical substances that are corrosive and ______ in taste.
Sodium carbonate is commercially called ______.
All bases are alkalis but all alkalis are not bases.
One of the events that does not occur during photosynthesis is ______.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
A basic oxide.
