Question

Determine whether each statement is an example of a physical change or a chemical change. Newspaper yellows in the sun. Physical chemical Wax melts on a hot stove. Physical chemical.

Answer 1

Answer:

the newspaper one is a chemical change because the chemicals in the paper have reacted with something and turned a different color. the wax one is a physical change because it is a change in the phase of matter, which is always a physical change (still the same substance chemically)