Concept:Indicators are substances that test if a solution is acidic or basic. Natural indicators come from plants; synthetic indicators are made in laboratories.
Explanation:- Turmeric, litmus, and China rose are natural indicators obtained from plants or natural sources.
- Methyl orange is a synthetic indicator prepared chemically. It changes color from red in acid to yellow in base.
- The question asks for the synthetic indicator among the given options.
China rose:
China rose is also a natural indicator.
It is obtained from a shrubby Chinese rose.
It turns dark pink when added to the acidic solution and turns green in the basic solution.
Methyl Orange solution:
Methyl Orange is a synthetic indicator.
It is made by adding sodium nitrite to sulfanilic acid in the solution.
It turns orange when added to the acidic solution and turns yellow in the basic solution.
Thus, we can say that methyl orange solution is a synthetic indicator.
AdditionalInformationPHScale:Answer:C. Methyl orange solution
