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.
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
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
下列命名中不正确的是（ ） A: Na+：sodium ion B: Ag+：silver ion C: Ca2+：calcium ion D: Al3+：argon ion
下列命名中不正确的是（ ） A: Na+：sodium ion B: Ag+：silver ion C: Ca2+：calcium ion D: Al3+：argon ion
The formation of human body current is mainly due to ( ). A: Potassium ion B: Sodium ion C: Potassium and sodium ions D: Calcium ion
The formation of human body current is mainly due to ( ). A: Potassium ion B: Sodium ion C: Potassium and sodium ions D: Calcium ion
What is subject matter of Ion?
What is subject matter of Ion?
离子障（ion trapping）
离子障（ion trapping）
Which of the following is a common job suffix? ( ) A: -ist. B: -ion. C: -ify. D: -ize.
Which of the following is a common job suffix? ( ) A: -ist. B: -ion. C: -ify. D: -ize.
Which of the following is not a common job suffix? ( ) A: -er. B: -ion. C: -or. D: -ist.
Which of the following is not a common job suffix? ( ) A: -er. B: -ion. C: -or. D: -ist.
中英文互译：selected ion monitoring
中英文互译：selected ion monitoring
中英文互译：total ion current
中英文互译：total ion current