What are olfactory indicators ?

What are OHactory indicators? Write an activity to prove them.

How do you appreciate the olfactory indicators?

What happens if an olfactory indicator is dipped in acid?

MULTIPLE CHOICE QUESTION Which of the following is an olfactory indicator ? ( )

Assertion (A) : Onion vanilla essence can be used as olfactory indicators. Reason (R) : some substances change their odour in acidic or basic media.

z' indicates

Give one example to olfactory indicator.

Give example for use of olfactory indicator in your daily life.

Read the flow chart and answer the follwing. What is the importance of olfactory receptors ?

What are indicators ? How are they useful ?