End point isthe point at which the indicator changes color.
举一反三
- When nickel ion in the nickel plating solution is titrated with the EDTA standard solution, the purple color of the end point is the color of the complex formed by the murexide indicator and the nickel ion.
- The freezeing point is the temperature water changes into ice A: at which B: on that C: in which D: of what
- Which point on the graph shows the break-even point? A: B: C: D:
- Which of the five points offers advice on the improvement of work performance A: Point 2. B: Point 3. C: Point 4. D: Point 5.
- Which of the following is NOT a specific point? A: Lower He-sea Point B: Ashi point C: Confluence Points of the Eight Extraordinary Vessels D: Yuan-source point