. . How do Acids and Bases React with Metals? Rinse both cloth strips with water and again check their odour.
Note your observations. Now take some dilute vanilla essence and clove oil and check their odour. Take some dilute HCl solution in one test tube and dilute NaOH solution in another. Add a few drops of dilute vanilla essence to both test tubes and shake well.
Check the odour once again and record changes in odour, if any. Similarly, test the change in the odour of clove oil with dilute HCl and dilute NaOH solutions and record your observations.