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Question
How would you obtain an alkali from a base.
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Solution 1
An alkali from a base
Na2CO3 + Ca(OH)2 `Δ/`> 2NaOH + CaCO3
Solution 2
By the action of water on soluble metallic oxide
\[\ce{\underset{Base}{Na2O}+H2O -> \underset{Alkali}{2NaOH}}\]
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