Among the two test tubes I and II, one contains acetic acid and another contains water. Which of the properties of acetic acid can be used to identify acetic acid from it?
I. Colour change with universal indicator
II. Reaction with NaHCO3
III. Colour of the solution
IV. Transparent nature
(A) I and II (B) II and III
(C) III and IV (D) I and IV
