nickel的意思是___________.
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.
- 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
- The core is composed of pure nickel and iron.
- 中国大学MOOC: A nickel in the shoe means that _________.
- Which building can be found on a nickel, 5-cent coin, used in the US?