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Worksheets

Colloidal systems

Total questions: 10

Worksheet time: 2mins

Name
Class
Date
1.

A WHIPPED CREAM IS AN EXAMPLE OF COLLOID

a)

TRUE

b)

FALSE

2.

_______ refers to the random motion of particles when suspended in gases or liquids.

a)

Locomotion

b)

Brownian Motion

c)

Movement

d)

Tyndall Effect

3.
Milk is a 
a)
solution
b)
suspension
c)
colloid
4.

A colloidal system having a solid substance as a dispersed phase and a liquid

as a dispersion medium is classified as

a)

solid sol

b)

gel

c)

emulsion

d)

sol

5.

Which of the following will not form a colloidal system?

a)

Solid-gas

b)

Liquid-gas

c)

Gas-gas

d)

Gas-liquid

6.

What is the purpose of cream of tartar when making an egg foam

a)

It makes it creamy

b)

It makes it taste good

c)

It makes it colorful

d)

It's acidic and stabilizes egg whites

7.

Foams are an emulsion

a)

True

b)

False

8.

Which of the following are emulsifying agents?

a)

Egg yolks

b)

Sugar

c)

Mustard

d)

Protein

e)

Soap

9.

Substances known as ... are added to stabilize emulsions.

a)

emulsifiers

b)

stabilizers

c)

solutes

d)

solvents

10.

If you shake a mixture of oil and water vigorously, there will be ...

a)

tiny oil droplets interspersed throughout the water.

b)

two liquid layers

c)

a homogeneous mixture

d)

a new substance