Unformatted text preview: amples from the
top part of the mixture are different from samples taken from the bottom. Answer: A heterogeneous
c. Cow's milk contains fats and solids suspended in water. On standing, the cream (fat) will rise to the top and
the solids will settle. Answer: A heterogeneous mixture.
d. Wine contains ethyl alcohol, water, flavor components, dye molecules, and many other substances. The
composition is uniform throughout. No solid particles are visible in the liquid. It appears clear. Answer: A
_______________________________________________________________________________ Back Forward Main Menu TOC Study Guide TOC Textbook Website MHHE Website 4 / Chemistry: The Study of Change
EXAMPLE 1.3 Chemical and Physical Changes
Classify the following changes as physical or chemical.
a. Solid shortening turns to liquid when heated
b. Gasoline burning in air
•Method of Solution
a. b. Solid f...
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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