Class X Sciences
[papers from previous years]

On adding acetic acid to sodium hydrogen carbonate in a test
tube, a student observes

(A) no reaction
(B) a colourless gas with pungent smell
(C) bubbles of a colourless and odourless gas
(D) a strong smell of vinegar

2

Answers

2015-05-06T08:02:52+05:30
CH3COOH + NAHCO3 => CH3COONa +H2O +CO2
0
2015-05-06T11:55:49+05:30
(C) bubbles of a colourless and odourless gas
0