Answer:
Practice Exercise 1
1. True
2. True
3. False
4. True
5. True
Practice Exercise 2
1. Sad face
2. Happy Face
3. Happy Face
4. Happy Face
5. Sad Face
Practice Exercise 3
1. Defined as the combination of two or more substances
2. a. Substances could be distinguished from one another.
b. Substances could not be distinguished from one another.
3. Because there are no chemical reactions involved that could change the substances, but rather, they are just mixed together
4. Based on the appearance, whether the components could be distinguished or not
5. Homogenous Mixture and Heterogeneous Mixture
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Answers & Comments
Answer:
Practice Exercise 1
1. True
2. True
3. False
4. True
5. True
Practice Exercise 2
1. Sad face
2. Happy Face
3. Happy Face
4. Happy Face
5. Sad Face
Practice Exercise 3
1. Defined as the combination of two or more substances
2. a. Substances could be distinguished from one another.
b. Substances could not be distinguished from one another.
3. Because there are no chemical reactions involved that could change the substances, but rather, they are just mixed together
4. Based on the appearance, whether the components could be distinguished or not
5. Homogenous Mixture and Heterogeneous Mixture