Question

In which pH range should the indicator show colour change if the hydrochloric acid
is to be neutralized by sodium hydroxide? Give answer after looking at the graph of
the experiment.​

Answer 1

pH : 1-14 (red-blue)

Answer 2

Answer:

Its ph must be 7 as hydrachloric acid is strong acid and sodium hydroxide id strong base.

strong base + strong acid = salt + water

and water have ph value 7.