Practice problem
Homogeneous vs. Heterogeneous Mixtures — A Comparison

Image Source: By Marcos André, CC BY 2.0, via Wikimedia Commons
Image Source: By Simon Cousins from High Wycombe, England (Bubbles) CC BY 2.0, via Wikimedia Commons
Before opening a can of cola, there are no bubbles in the liquid. Only once opened will the carbonation bubbles form in the drink. Which of the following statement best describes the two mixtures?