Solutions and Mixtures Practice Test

A student bubbles carbon dioxide gas (CO2) into water and caps the container. After shaking, no bubbles are visible and the liquid is clear. Which statement is correct?

A student adds a small amount of iodine (I2, nonpolar molecular solid) to a beaker containing hexane (C6H14, nonpolar) and swirls. The mixture turns uniformly purple. Which statement is correct?