Choose the correct answer:
1. Sharvesh is given three unknown solutions A, B, and C with pH values of \(6\), \(8\) and \(9.5\) respectively. Arrange the given samples in the increasing order of \(H^+\) ion concentration.
2. The following table shows the pH values of four solutions A, B, C and D on a pH scale.
The solutions A, B, C and D respectively are:
The solutions A, B, C and D respectively are:
