The Analytic Technology That Relies on Direct Measurement of Electrical

question 7

Multiple Choice

The analytic technology that relies on direct measurement of electrical potential caused by the activity of free ions is:

• A) pH meter.
• B) ion-selective electrodes (ISEs).
• C) chromatography.
• D) gel electrophoresis.

---

Definitions:

Phonographs

Early mechanical devices invented for recording and playing back sounds, initially using cylindrical or disc-shaped records.

Celebrity Culture

A social phenomenon that focuses on the public's fascination with celebrities' personal lives, their influence, and their status in society.

Feminist Woman

A woman who supports or advocates for the rights and equality of women through feminism, aiming to address issues of gender inequalities and sexism.

ERA

Stands for the Equal Rights Amendment, a proposed amendment to the United States Constitution aiming to guarantee equal legal rights for all American citizens regardless of sex.