Question
Short Note
Answer the following question.
What is observed when 2 mL of dilute hydrochloric acid is added to 1 g of sodium carbonate taken in a clean and dry test tube? Write a chemical equation for the reaction involved.
Solution
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.
\[\ce{2HCl + Na2CO3 -> 2NaCl + H2O +CO2}\]
Concept: Chemical Equation
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