Question

give reason--
an effervensences is observe on adding Dil.hcl to sodium carbonate solution​

Answer 1

Answer:

here is a great deal of fizzing and release of gas. The gas is carbon dioxide.

The resultant liquid, assuming that an excess of sodium carbonate is added, so that the acid is completely used, will taste salty.

The reaction is 2HCl + Na2CO3 > 2NaCl + CO2 + H2O

Explanation:

Answer 2

The reaction of hydrochloric acid (HCl) and sodium carbonate (NaCO3) yields a product of water (H20), carbon dioxide gas (CO2), and table salt (NaCl). ... When hydrochloric acid is added to sodium carbonate, brisk effervescence of CO2 occurs, along with the formation of sodium chloride and water.

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