It has a pungent odour.
A. (I) and (II)
B. (I), (II) and (III)
C. (II), (III) and (IV)
D. (I) and (IV)
Answer:B
It has a pungent odour.
A. (I) and (II) B. (I), (II) and (III) C. (II), (III) and (IV) D. (I) and (IV)
Explanation: Reaction of sodium hydrogen carbonate with acetic acid forms sodium acetate and water with carbon dioxide (CO2) gas.