Question

explain what is acid and base with synthetic indicators ​

Answer 1

Answer:

• Olfactory Indicators: Substances which change their smell when mixed with acid or base are known as olfactory indicators.

          For example onion, vanilla, clove, etc.  

• Synthetic Indicator: Indicators that are synthesized in laboratory are known as synthetic indicators.

           For example; phenolphthalein, methyl orange, etc.

Answer 2

Answer:

litmus is natural indicator whereas methyl orange is synthetic indicators