Define the following terms:
(a) Standard solution (b) Normal solution (c) Indicator
A. In analytical chemistry, a standard solution is a solution containing a precisely known concentration of an element or a substance.
B. Normal solution is a solution made by dissolving 1 gram equivalent weight of a substance in distilled water to make 1 L of the solution.
C. A substance that indicates whether a solution is acidic, basic, or neutral by usually a color change is termed as an indicator. Methyl orange is an indicator that is reddish-orange in an acidic medium, and in the basic medium, it turns yellow.