Source: Extra Practice
If Manisha is blindfolded. She is given to unknown solutions to test and determine whether they are acidic or basic. The indicator Manisha should use to test the solutions is
Options
Option A
Turmeric
Option B
China rose
Option C
Litmus paper
Option D is correct
Olfactory indicator
Explanation
Olfactory indicators change their smell in acidic or basic media. Since Manisha is blindfolded, she cannot see color changes, making an olfactory indicator suitable for her to distinguish between acidic and basic solutions by smell.