Question

Activity 2.2, Question-Which of these-vanilla, onion and clove, can be used as olfactory indicators on the basis of your observations?​

Answer 1

Answer:

all of them can be used

Explanation:

The substance whose smells varies on mixing with acidic or basic solution is called an olfactory ondicator.. These are mainly used in labs for identification of acids and bases. When a substance is added to this indicator if the odour is changed then it is basic or else its basic

Answer 2

Explanation:

All three can be used as a olfactory indicators.