Question

what does the rapid expansion and release of bubbles when hydrogen peroxide is added to yeast indicate about the chemical reaction? the reaction produces a gas. the reaction forms precipitation. the reaction changes in color.

Explanation:

Bubbles are indicative of gas formation in a chemical reaction. When hydrogen peroxide reacts with yeast (which contains the enzyme catalase), oxygen gas is produced, causing the rapid - expansion and bubble release.

Answer:

The reaction produces a gas.