Two solutions A and B have pH values of 4 and 10, respectively. Which solution has more hydrogen ion concentration?

Two solutions A and B have pH 3 and 5 respectively. Which of the two solutions has more hydrogen ion concentration and which one is more acidic? Give reason for your answer.

You have two solutions, A and B. The ph of solution A is 6 and the ph solution B is 8. Which solution has more hydrogen ion concentration? Which of this is acidic and which one is basic?

The pH values of four solutions P Q R and S are 7.8,1.0,13.0 and 1.4 respectively. The solution having highest hydrogen ion concentration among them is:

Answer the following questions with respect to the solutions marked 'A' and 'B' having pH values 4 and 10 respectively. Which solution will change red litmus blue?