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प्रश्न
How would you obtain an alkali from a base.
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उत्तर १
An alkali from a base
Na2CO3 + Ca(OH)2 `Δ/`> 2NaOH + CaCO3
उत्तर २
By the action of water on soluble metallic oxide
\[\ce{\underset{Base}{Na2O}+H2O -> \underset{Alkali}{2NaOH}}\]
संबंधित प्रश्न
What do you understand by an alkali?
Main constituent of base is ______.
Sodium hydroxide is a ______.
Bases are ______ in taste.
Wasp sting contains _______.
All bases are alkalis.
What are the similarities between acids and bases?
When the soil is too basic, plants do not grow well in it. To improve its quality what must be added to the soil?
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 ionise in water to form ______ ions.
