55. Which methods will help us to distinguish between equimolar solutions of a strong base and a strong acid? I. Add magnesium to each solution and look for the formation of gas bubbles . II. Add aqueous sodium hydroxide to each solution and measure the temperature change. III. Measure the electrical conductivity of each solutions. (A) I and II only (B) I and III only (C) II and III only (D) I, II, and III