What is observed when 2mL of dilute hydrochloric acid is added to 1g of sodium carbonate taken in a clean and dry test tube? Write chemical equation for the reaction involved.
CBSE 31-1-2 PAPER SET 2019
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On adding dilute hydrochloric acid to sodium carbonate taken in a clean and dry test tube, a brisk effervescence will be observed due to the evolution of carbon dioxide gas.$2\text{HCl}+\text{Na}_2\text{CO}_3\xrightarrow{\ \ \ \ \ \ \ }2\text{NaCl}+\text{H}_2\text{O}+\text{CO}_2$
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