Question

Does the reaction of calcium hydrogen carbonate and hydrochloric acid produce brisk effervescence? Give reason.

Answer 1

Ca(HCO₃)₂ + 2HCl ⇒ CaCl₂ + 2H₂O + 2CO₂

This reaction does produce effervescence of CO₂ gas.

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Answer 2

Answer:

yes, it is a Brisk effervescence reaction.

Explanation:

The reaction is: CaHCO3 + HCl ------- CaCl2 + H2O + CO2

From the above reaction it is clear that bubbles of carbon dioxide gas is released which indicates that its an brisk effervescence phenomenon.

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