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प्रश्न
State as to why a solution of Na2CO3 is alkaline?
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उत्तर
When sodium carbonate is added to water, it hydrolyses to give sodium bicarbonate and sodium hydroxide (a strong base). As a result, the solution becomes alkaline.
\[\ce{Na_2CO_3 + H_2O -> NaHCO_3 + NaOH}\]
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