define gel
a liquid held in a solid network
example of a gel
jam
define suspensions
solid in a liquid
example of suspensions
white sauce
define foams
bubble of gas trapped in a liquid
example of foams
whipped cream
define emulsions
oily and watery liquids melted together
example of emulsions
mayonnaise
why are emulsifying agents added to emulsions ?
to create a stable emulsion