A student adds 2 mL of acetic acid to a test tube containing 2 mL of distilled water. He then shakes the test tube well and leaves it to settle for some time. After about 5 minutes he observes that in the test tube there is:
A clear transparent colourless solution
Acetic acid dissolves completely in distilled water and gives a clear, colourless and transparent solution.
Hence, the correct option is A.