1.3 Types of mixtures

• Scheikunde
• Middelbare school
• havo
• Leerjaar 3

Types of mixtures (and pH)

Paragraaf 1.4

Pure substance                      Mixture

Type of mixtures

- Solution

- Suspension

- Emulsion

Solution = clear

Suspension = cloudy

Emulsion =

cloudy mixture of liquids

blue = solution

red = emulsion

white = suspension

Solution:        clear liquid, solid or liquid in solvent

        

Suspension: cloudy mixture of solid in liquid

                   

Emulsion:      cloudy mixture of two liquids

                   

Emulsifier (prevents unmixing)

                                                                                    egg yolk (in mayonaise)

Homogeneous or heterogeneous

What type of mixture is this?

1. Emulsion
2. Solution
3. Emulsifier
4. Suspension

What type of mixture is this?

1. solution
2. suspension
3. emulsion

How do you call a mixture of two liquids mixed by an emulsifier?

1. solution
2. suspension
3. emulsion

What substance is an emulsifier?

1. Water
2. Cream
3. Soap
4. Oil

A permanent emulsion is a
mixture of ...

1. Water and salt
2. water, oil and emulsifier
3. Oil and gasoline
4. water and oil

a suspension is a ... mixture

1. heterogeneous
2. homogeneous