3. The pH values of four solutions A, B, C and D are given. The solutions A, B, C and D respectively are:
(A) Strong acid, weak acid, neutral, strong base
(B) Weak acid, neutral, weak base, strong base
(C) Weak acid, neutral, strong base, weak base
(D) Weak acid, neutral, strong base, strong acid

Answer: (B) Weak acid, neutral, weak base, strong base