Question

Substance which on adding to acetic acid produces carbon dioxide gas

Answer 1

adding sodium hydrogen carbonate or sodium carbonate to acetic acid produces carbon dioxide gas

Answer 2

Answer:

a) NaHCO₃

Chemical reaction as :

CH₃COOH + NaHCO₃ ⇒  CH3COONa + H₂O + CO₂

b) CO₂ on passing through lime water turns milky.