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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
\[\ce{\underset{Base}{Na2O}+H2O -> \underset{Alkali}{2NaOH}}\]
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संबंधित प्रश्न
Give one example in the following case:
A hydroxide which is highly soluble in water.
Give one example in the following case:
A basic oxide which is insoluble in water.
Write the balanced equation for the reaction of:
A named acid and a named alkali.
Bases are ______ in taste.
Which among the following is not a base?
Water-soluble bases are called ______.
All bases are alkalis but all alkalis are not bases.
Bases ionise in water to form ______ ions.
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.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
A basic oxide.
