1. Mixtures of Matter
Section 3.3

2. Mixtures A mixture is a combination of two or more pure substances.
Examples Sand and water,

3. Types of Mixtures
A heterogeneous mixture is one that does not blend smoothly throughout and in which the individual substances remain distinct.
A homogeneous mixture has constant composition throughout; it always has a single phase.

4. Solutions Homogeneous mixtures are also referred to as solutions.
Gas-gas
Gas liquid
Liquid-gas
Liquid-liquid
Solid-liquid
Liquid-solid

5. Solutions Homogeneous mixtures are also referred to as solutions.
Gas-gas Air
Gas liquid Carbonated beverages
Liquid-gas Humid air
Liquid-liquid Vinegar
Solid-liquid Sweetened powdered drink in water
Solid-solid Steel (iron and carbon)

7. Separating Mixtures Chemical or physical properties used Filtration
Distillation
Crystallization
Chromatography

8. Filtration
Chromatography
Distillation
Crystallization

9. Homework P P