I. Determine each of the following statement as to properties or characteristics of pure substances or mixtures. Write PS for pure substance and M for mixture.
1. Elements and compounds are examples of these.
2. It is a combination of two or more substances that are physically combined.
3. It has constant physical and chemical properties.
4. It could be homogenous or heterogenous in appearance.
5. These substances mainly have uniform composition throughout or homogenous in nature.
6. It is formed as a result of a physical change.
7. Air is an example of this.
8. Gold, Silver and Carbon dioxide are examples of this.
9. The components could be separated by physical means.
10. They have fixed boiling and melting points.
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Answer:
1. ps
2.m
3.ps
4.m
5.m
6.ps
7.ps
8.ps
9.ps
10.m
Explanation:
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