Write an activity to check the colour change in dilute HCl and antacid acid solution in addition of methyl orange.
- Take dilute HCl in a beaker.
- Add two to three drops of methyl orange indicator to it.
- The solution colour turns to red.
- Now take the same solution and mix antacid tablet powder.
Observation : Check the colour change.
Result: The colour of the solution turns to light yellow.