Tell whether the following process involves physical of chemical change. Write P, if it involves physical change and C, if it involves chemical change.

1. Aluminum foil is cut in half.
2. Milk goes sour.
3. Clay is molded into a new shape.
4. Jewelry tarnishes.
5. Butter melts on warm toast.
6. Bread becomes toast.
7. Water evaporates from the surface of the ocean.
8. Rust forms on a nail left outside.
9. Food is digested.
10. Mixing salt and pepper.
11. You take an antacid to settle your stomach.
12. Two substance are mixed and light is produced.
13. A marshmallow is cut into halves.
14. Silver tamishes.
15. Burning a sugar cube.

ANSWER:
1. P
2. C
3. P
4. C
5. P
6. P
7. P
8. C
9. P
10. C

Pa answer po ito:
11.
12.
13.
14.
15.​