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PHYSICAL CHANGE
1. a change in size, shape, or state
2. no new substance is formed
2. Ag (Silver) tarnishes.
3. An apple is cut.
Identify the following as physical (P) or chemical (C) changes.
1. NaCl (Table Salt) dissolves in water.
4. Heat changes H₂O to steam.
5. Baking soda reacts to vinger.
6. Fe (Iron) rusts.
7. Alcohol evaporates.
8. Ice melts.
CHEMICAL CHANGE
Part A
1. a change in the physical and
chemical properties
2. a new substance is formed
9. Milk sours.
10. Sugar dissolves in water
11. Wood rots.
12. Pancakes cook.
13. Grass grows.
14. A tire is inflated.
15. Food is digested.
16. Paper towel absorbs water


Sagot :