which indicator of a chemical reaction is shown in the picture? the formation of a gas the formation of a…

Brief Explanations:

The formation of a gas is visible as bubbles, the formation of a precipitate is a solid - formed from solution, and a change in energy can be heat or light. Without seeing the picture, we can only explain the concepts. If there are bubbles in the picture, it's the formation of a gas; if a solid appears in a solution, it's the formation of a precipitate; if there is heat or light change, it's a change in energy.

Answer:

Without seeing the picture, cannot determine.