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WorksheetsMixtures, Solutions & Separation
Total questions: 25
Worksheet time: 19mins
Name
Class
Date
1.
Which one of the following techniques would best be used to separate soil and water?
a)
Decanting
b)
distillation
c)
Filtration
d)
Chromatography
2.
Which one of the following solids is insoluble in water?
a)
sugar
b)
sand
c)
copper sulfate
d)
salt
3.
Two or more substances mingled together, but not chemically combined are known as a
a)
residue
b)
solution
c)
distillate
d)
mixture
4.
To separate a solution of salt and water what separation tool/method is used?
a)
Filter
b)
Screen
c)
Magnet
d)
Evaporation
5.
A solution is a mixture of one or more substances _________ evenly into another substance.
a)
dissolved
b)
evaporated
c)
carried
d)
split
6.
A fruit salad is a
a)
solution
b)
mixture
7.
The air around was is a mixture of gases.
a)
True
b)
False
8.
Ocean water is a solution?
a)
True
b)
False
9.
process where a liquid becomes a gas
a)
condensation
b)
evaporation
c)
physical property
d)
dissolve
10.
the substance to be dissolved in a liquid
a)
solute
b)
solvent
c)
dissolve
d)
mixture
11.
the liquid a substance dissolves in
a)
solute
b)
solvent
c)
mixture
d)
solution
12.
the temperature at which a solid becomes a liquid.
a)
freezing point
b)
melting point
c)
boiling point
d)
condensation point
13.
the temperature at which a liquid becomes a solid
a)
melting point
b)
boiling point
c)
freezing point
d)
condensation point
14.
the temperature at which a liquid becomes a gas
a)
melting point
b)
freezing point
c)
boiling point
d)
condensation point
15.
process where a gas turns back into a liquid
a)
melting
b)
freezing
c)
evaporation
d)
condensation
16.
How can you increase the concentration of a solution?
a)
Add more solvent.
b)
Add more solute.
c)
Increase the volume of the solution.
d)
Increase the amount of water in the solution.
17.
Which lab tool might you use to measure the volume of a liquid?
a)
electric scale
b)
bunsen burner
c)
test tube
d)
graduated cylinder
18.
Ink can be separated by a method of -----------------------------------------------
a)
distillation
b)
filtration
c)
chromatography
d)
sedimentation
19.
chromatography separates the mixture of dyes on the basis of their ----------------------------
a)
density
b)
solubility
c)
gravity
d)
boiling point
20.
A substance is soluble if it can be dissolved.
In paper chromatography, the most soluble solute _____________________ .
a)
does not move from the start point
b)
stays closest to the start point
c)
travels furthest away from the start point
d)
can be found in the middle of the chromatogram
21.
Which plant species has plant pigments most similar to those in A?
a)
B
b)
C
c)
D
22.
I am left behind in the filter paper ]. What Am I?
a)
Filtrate
b)
Solution
c)
Residue
23.
The part of the mixture that passes through the filter paper is called the
a)
residue
b)
filtrate
c)
suspension
24.
Which of these is needed for filtration?
a)
Wire gauze
b)
Burner
c)
Funnel
d)
Round-bottom flask
25.
Name the separation technique
a)
Centrifuge
b)
Bunsen burner
c)
Distillation
d)
Evaporation
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