Question

A solution turns red litmus paper to blue. What can be pH of this solution? 10ml of sodium hydroxide is completely neutralized by 8ml of solution of hydrochloride acid. If we take 20ml of same solution hydroxide, what will be the amount of hydrochloride acid and solution required to neutralize it? What type of medicine is used for the treatment of indigestion?

Answer 1

the pH of the solution will be decreased to turn red to blue

Answer 2

The ph of the solution will be more than 7.
We need 16 ml of HCl solution to netralise 20 ml of NaOH solution.
Magnesium Hydroxide(Milk of Magnesia) is used to cure indigestion.