Unformatted text preview: his statement describes the change of silicon into another substance on reaction with fluorine. Answer:
The reaction is a chemical property.
c. Answer: The color of a substance is a physical property. No change in composition occurs while observing
d. Answer: The lack of reactivity with another substance or class of substances such as acids is a chemical
EXAMPLE 1.2 Homogeneous or Heterogeneous Mixture
Classify each of the following as a homogeneous or a heterogeneous mixture.
a. The beverage tea
b. Oil and water
c. Cow's milk
•Method of Solution
Recall that homogeneous mixtures are uniform throughout, while heterogeneous mixtures have components that
can be physically observed to be separate.
a. The mixture called tea is uniform throughout and no particles of tea can be observed (if there are no tea
leaves). Answer: A homogeneous mixture.
b. Since oil floats on water, the oil and water components can be observed to be separate. S...
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This note was uploaded on 09/15/2009 for the course CHEM 102 taught by Professor Bastos during the Spring '08 term at Adelphi.
- Spring '08