CBSE Class 10 Science 2015 Term II Delhi Set 1

Question : 34 of 36

Marks: +1, -0

List two observations which you make when you add a pinch of sodium hydrogen carbonate to acetic acid in a test tube. Write chemical equation for the reaction that occurs.

Solution:

Two observations observed are :
(i) Brisk effervescence are evolved.
(ii) Evolution of a colourless and odourless gas.

{\CH}_3 {\COOH}+ {\NaHCO} {\HCH}_3 → {\CH}_3 {\COONa}+ {\H}_2 {\O}+ \CO_2

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