Question

instructions: write e in the blank if the material is heterogeneous or o if it is homogeneous.

1. wood
2. freshly - brewed black coffee
3. water
4. lucky charms®
5. salt
6. dirt
7. sausage - and - mushroom pizza
8. air
9. milk
10. gold

Explanation:

Step1: Define mixture types

Homogeneous (O): uniform composition; Heterogeneous (E): non-uniform.

Step2: Classify each substance

1. Wood: Non-uniform (E)
2. Black coffee: Uniform (O)
3. Water: Uniform (O)
4. Lucky Charms®: Non-uniform (E)
5. Salt: Uniform (O)
6. Dirt: Non-uniform (E)
7. Pizza: Non-uniform (E)
8. Air: Uniform (O)
9. Milk: Uniform (O)
10. Gold: Uniform (O)

Answer:

1. E
2. O
3. O
4. E
5. O
6. E
7. E
8. O
9. O
10. O