Question

what does the decrease in temperature when baking soda is mixed with citric acid indicate about the chemical reaction? the reaction forms precipitation. the reaction changes in color. the reaction changes in energy.

Explanation:

A decrease in temperature during a chemical reaction indicates an endothermic reaction, which is a change in energy where the system absorbs energy from the surroundings. Precipitation and color - change are not related to temperature decrease in this context.

Answer:

The reaction changes in energy.