AECM 3 Flashcards
A mixture is made of _ that are combined
Two or more different substances
The substances in a mixture are not
Chemically bonded
Because the substances in a mixture are not chemically bonded
A mixture can be separated into its original parts
An example of a mixture is
Salad dressing
Two types of mixtures (2)
Heterogeneous
Homogeneous
Heterogeneous mixtures contain substances that are not
Uniform in composition
The parts in a heterogeneous mixture can be
Separated by physical means
Why pizza is heterogeneous mixture
Every bite contains something different (not uniform in composition)
Homogeneous mixtures are the same throughout and cannot
Be separated by physical means
Milk is composed of _ these substances cannot be separated (5)
Water
Fat
Protein
Lactose
Minerals
Sometimes you want to separate mixtures so you can
Recover their original components
To recover mixtures original components, you must separate them by
Physical methods
Separate pizza by
Picking off pepperoni, sausage, , etc
More difficult to separate in a pizza (2)
Sauce
Crust
Physical methods used to separate mixtures include (F,E)
Filtration
Extraction