1. Intro to General Chemistry
Physical & Chemical Changes
1. Intro to General Chemistry Physical & Chemical Changes
5PRACTICE PROBLEM
Classify the following as physical or chemical changes:
a. Water condenses on the surface of a cold glass.
b. Rust forms on the surface of an iron nail.
c. Black smoke rises when a candle is burned.
d. A drop of alcohol evaporates on a table.
Classify the following as physical or chemical changes:
a. Water condenses on the surface of a cold glass.
b. Rust forms on the surface of an iron nail.
c. Black smoke rises when a candle is burned.
d. A drop of alcohol evaporates on a table.