Primary standard can be used to prepare standard solution directly.
A: 正确
B: 错误
A: 正确
B: 错误
举一反三
- Primary standard can be used to prepare standard solution directly.
- What standards can be used to classify standard documents?
- 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. A: 正确 B: 错误
- Standard parts can be measured（）
- The function fsolve() can be used directly to solve the original equations and find a solution. A: 正确 B: 错误