Write true or false. Rewrite the false statements correctly.

Litmus is a naturally occurring indicator.

You are provided with aqueous solutions of three salts $\mathrm{A}, \mathrm{B}$ and $\mathrm{C}$. $2‐3$ drops of blue litmus solution, red litmus solution and phenolphthalein were added to each of these solutions in separate experiments. The change in colour of different indicators were recorded in the following table:

On the basis of above observations, identify $\mathrm{A}, \mathrm{B}$ and $\mathrm{C}$ from the following options:

Which of the following is not an olfactory indicator?

An indicator is added to Potassium Hydroxide and the solution turns pink:

Name the indicator that is added.

Turmeric is an example of a _____ indicator 

(Blue, natural, neutral, indicators, lichens)

_____ are the substances that are used to test the nature of a substance. 

(Blue, natural, neutral, indicators, lichens)

Base turns red litmus _____.

(blue, natural, neutral, indicators, lichens)