Question

what makes a solution acidic or basic?

which is more accurate indicator pH paper or the solution of pH?

Answer 1

hey mate here is your answer

acidic solution is defined as the solution which gives H+ or H3O+( hydronium ion) in the aqueous solutions whereas basic solution is defined as the solution which gives OH- ion in the aqueous solutions.

I think the most accurate is the solution of pH

hope it helps you