Question

1. What is a chemical change?
2. What is a physical change?
3. What is the difference between a pure substance and a homogenous mixture?
4. Name the parts of a chemical reaction.
5. Name two chemical properties and two physical properties of matter.

Answer 1

1) a chemical change alters the arangment of the molecule.
2) a Physical change alters it's physical state, i.e. ice, water, steam.

Answer 2

4. Reactants and Products

Answer 3

Thanks