The gas liberated when Sodium carbonate reacts with
dilute hydrochori aud ü pasted through lime sublatin
a white precipitale formed. But when the doone gas
üs passed thecough line water i excels, precipilabus
not visible why?
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Explanation:
When dilute hydrochloric acid reacts with sodium hydrogen carbonate, Carbon dioxide gas is liberated.
We recognize the presence of carbon dioxide by passing it through lime water which turns milky or a white precipitate of calcium carbonate is formed. If excessive carbon dioxide is passed through the milky lime water, the solution becomes clear after sometime.
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