Question:
A chemistry teacher adds red food coloring to water and
Last updated: 7/10/2022
A chemistry teacher adds red food coloring to water and students observed the dye spreading out to fill the container. Is the teacher demonstrating a physical or chemical change? Chemical change because a new substance was formed. Physical change because red dye mixed with the water. Physical change because a new substance was formed. Chemical change because red dye reacted with the water.