Match the Following Statements with Normal-Phase Chromatography or Reversed-Phase Chromatography

question 2

Multiple Choice

Match the following statements with normal-phase chromatography or reversed-phase chromatography.
1) The more polar the mobile phase, the weaker the mobile phase.
2) The more polar the mobile phase, the stronger the mobile phase.
3) The more nonpolar the mobile phase, the weaker the mobile phase.
4) The more nonpolar the mobile phase, the stronger the mobile phase.

• A)1 and 4 are correct for normal-phase chromatography
• B)2 and 3 are correct for normal-phase chromatography
• C)1 and 3 are correct for reversed-phase chromatography
• D)2 and 4 are correct for reversed-phase chromatography

---

Definitions:

Output Per Worker

The average production or output produced per unit of labor, often used as a measure of labor productivity.

GDP Devoted To Investment

The portion of the Gross Domestic Product that is spent on investments in capital goods, infrastructure, and other activities to promote economic growth.

Poor Countries

Nations with low levels of economic activity, low per capita income, and generally low standards of living.

Catch-Up Effect

The property whereby countries that start off poor tend to grow more rapidly than countries that start off rich