Mixture or "pure substance" on the blank
1. It is made up of elements in fixed proportions.
2....
Mixture or "pure substance" on the blank
1. It is made up of elements in fixed proportions.
2. The components can be readily separated, e. g. by filtratio
or distillation
3. The boiling point changes (rises) as the substance boils
away in distillation
4. It is very difficult to separate the components of the
substance
5. The elements or compounds are not in fixed proportions
6. The substance melts or boils at a specific temperature
7. The substance melts gradually over a few degrees
temperature range
8. There is no significant energy change on its formation
Answers: 3
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