CBSE Class 10 Science 2015 Term II Delhi Set 1

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Question : 34
Total: 36
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.
CH3COOH+NaHCOHCH3CH3COONa+H2O+CO2
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