WorksheetsEmulsions
Total questions: 9
Worksheet time: 5mins
When oil and water are added together, they form ...
A solution
A homogeneous mixture
A new substance
Two distinct layers
If you shake a mixture of oil and water vigorously, there will be ...
tiny oil droplets interspersed throughout the water.
two liquid layers
a homogeneous mixture
a new substance
An emulsion is a special type of mixture made by combining two liquids that normally ... mix.
do not
do
Common everyday emulsions include ...
milk, fresh water, ice cream, and paint.
milk, mayonnaise, vinegar, and paint.
milk, mayonnaise, ice cream, and paint.
milk, mayonnaise, oil, and paint.
Substances known as ... are added to stabilize emulsions.
emulsifiers
stabilizers
solutes
solvents
All emulsifiers have two parts: ...
a water-loving head and a oil-fearing tail
a hydrophilic head and a hydrophobic tail
a hydrophilic head and a lipophobic tail
a water-fearing head and a oil-loving tail
When making ice cream, ... is commonly added.
The active emulsifier in ... is called ...
egg yolk / egg yolk / lecithin
egg white / egg white / lecithin
egg yolk / egg yolk / water
egg white / egg white / water
If we added lecithin to our original oil and water emulsion, its hydrophilic head will prefer to associate with ..., and the hydrophobic tail with the ... droplets.
oil / water
water / oil
water / emusion
emulsion / oil
Emulsions can also exist as ... droplets in ....
Real life examples include ..., lotions, and facial creams.
oil / water / margarine
water / oil / gelatine
water / oil / margarine
oil / water / gelatine
