an experiment was performed in which a crystalline substance was added to a beaker filled with a liquid at…

an experiment was performed in which a crystalline substance was added to a beaker filled with a liquid at room temperature. which of the following is not evidence of a chemical change? a crystals dissolved b a precipitate formed c the bottom of the beaker felt warm to the touch. d bubbles formed in the water.

an experiment was performed in which a crystalline substance was added to a beaker filled with a liquid at room temperature. which of the following is not evidence of a chemical change? a crystals dissolved b a precipitate formed c the bottom of the beaker felt warm to the touch. d bubbles formed in the water.

Answer

Brief Explanations:

A chemical change results in the formation of new substances. Precipitate formation, heat - release (beaker feeling warm), and bubble formation can indicate new substances being created. Crystals dissolving can be a physical change like simple dissolution without new substances being formed.

Answer:

A. Crystals dissolved