Question

Write the types of indicators and observations on adding acids and bases to it
Note :It should be written in a floe chart​

Answer 1

Answer:

litmus paper.........

Answer 2

Answer:

Acid - Base indicators (also known as pH indicators) are substances which change colour with pH. They are usually weak acids or bases, which when dissolved in water dissociate slightly and form ions. ... At low pH values the concentration of H3O+ is high and so the equilibrium position lies to the left.