Question

What do you observe when you add a few drops of acetic acid to a test tube containing.
(a) phenolphthalein (b) distilled water (c) universal indicator (d) sodium hydrogen carbonate.

Answer 1

(a) Acetic acid will remain colourless in phenolphthalein.
(b) Acetic acid will mix with distilled water to form a clear solution.
(c) A universal indicator will impart orange colour to acetic acid.
(d) A brisk effervescence will be noticed due to the evolution of `CO_(2)` gas.