Question

Classify each of the following as a chemical change or a physical change.
A leaf changes its color in the fall.
Food coloring is added to a glass of water.

Answer 1

@Michele_Laino

Answer 2

I think that the first change is a chemical change, since it is related to the chemical substances which cause the color of a leaf

the second change is a chemical change too, since it is a mixtured obtained adding a coloring food to a liquid, namely water

Answer 3

Thx

Answer 4

thanks!