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WorksheetsSeparating Mixtures
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
How do you separate iron filings from sand?
a)
You can use a filter.
b)
You can use a fagnet.
c)
You can use a magnet.
d)
You can use all of the methods!
2.
What is the process of separating products with densities?
a)
centrifugation
b)
chromatography
c)
heating
d)
decantation
3.
What is the process of separating at which the components move at different rates?
a)
centrifugation
b)
chromatography
c)
heating
d)
decantation
4.
Separating particles based on size.
a)
chromatography
b)
decantation
c)
distillation
d)
Filtration
5.
Separating mixtures based on boiling points.
a)
Desalination
b)
Distillation
c)
Decantation
d)
Condensation
6.
What is decantation?
a)
Distillation
b)
Desalination
c)
Separating particles by careful pouring.
d)
Measuring boiling points.
7.
On Q #1, What method did I use?
a)
Magnetic Separation
b)
Distillation
c)
Filtration
d)
None
8.
What is an example of a chemical separation?
a)
chromatography
b)
electrolysis
c)
centrifugation
d)
All!
9.
What is electrolysis?
a)
The process of separating water and oil.
b)
The process of separating water and water.
c)
The process of separating the hydrogen atoms from oxygen atoms in H2O
d)
The process of separating sea-water and oil.
10.
14k gold is a pure substance!
a)
False
b)
True
11.
What are colloids?
a)
has insoluble particles between 1 and 1000
b)
has insoluble particles greater than 1 and 1000
c)
A heterogeneous Mixture
d)
A homogenaous Mixture
12.
What are suspensions?
a)
has insoluble particles between 1 and 1000
b)
has insoluble particles greater than 1 and 1000
c)
A heterogeneous Mixture
d)
A homogenaous Mixture
13.
What is a homogeneous Mixture?
a)
Something that is not uniform all around.
b)
Something that is uniform all around.
c)
Suspensions
d)
Colloids
14.
What is a heterogeneous Mixture?
a)
Something that is not uniform all around.
b)
Something that is uniform all around.
c)
Suspensions
d)
Colloids
15.
What is a pure substance?
a)
Gold
b)
Copper
c)
element or compound
d)
Homogeneous Mixture
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