WorksheetsMixtures
Total questions: 20
Worksheet time: 18mins
Name
Class
Date
1.
Something made up of two or more substances is called a
a)
mixture
b)
element
c)
compound
d)
natural
2.
A pure substance made up of only one type of atom e.g. oxygen or carbon
a)
element
b)
emulsion
c)
pure substance
d)
compound
3.
A substance that is made up of two or more different types of atoms bonded together e.g. water
a)
compound
b)
solvent
c)
element
d)
solution
4.
A liquid made up of a solvent with a solute dissolved in it
a)
solution
b)
soluble
c)
solidified
d)
solar
5.
When there is a change from a solid to part of a solution when placed into a solvent
a)
dissolve
b)
rain
c)
solution
d)
diffusion
6.
Something that dissolves very easily in water
a)
soluble
b)
solid
c)
saturated
d)
solvent
7.
when you have something that does not dissolve it is referred to as being
a)
insoluble
b)
a rock
c)
a solid
d)
a nail
8.
A ________ is something that dissolves in a liquid (solvent)
a)
solute
b)
salt
c)
sugar
d)
solution
9.
Any liquid that dissolves another substance or substances
a)
solvent
b)
solute
c)
solution
d)
substance
10.
A cloudy liquid that contains insoluble particles
a)
suspension
b)
solvent
c)
solute
d)
salt
11.
A separation technique in which the sediment settles to the bottom and can be separated from the mixture
a)
sedimentation
b)
decantation
c)
floatation
d)
filtration
12.
A type of mixture that always looks cloudy because clumps of insoluble particles remain suspended throughout it - they do not settle as sediments after a period of time
a)
colloid
b)
sedimentation
c)
suspended
d)
crystallisation
13.
A stable mixture of two or more liquids e.g. milk
a)
emulsion
b)
solution
c)
mixture
d)
insoluble
14.
A substance that can be added to an emulsion to keep the liquids completely mixed
a)
emulsifier
b)
emulsion
c)
emulsification
d)
ammunition
15.
Describing a solution with a large amount of solute
a)
concentrated
b)
saturated
c)
unsaturated
d)
filled
16.
Describing a solution with a small amount of solute
a)
saturated
b)
unconcentrated
c)
concentrated
d)
dilute
17.
Describing a solution that can dissolve no more of a solute at a given temperature
a)
concentrated
b)
saturated
c)
overloaded
d)
super-concentrated
18.
The property that describes how something looks (e.g. size, mass, texture, shape) and how it behaves around other substances (e.g. soluble, magnetic)
a)
chemical
b)
physical
c)
appearance
d)
physique
19.
A chemical that can be added to a mixture to make suspended particles clump together
a)
clumper
b)
flocculant
c)
magnet
d)
thickener
20.
A separation technique that uses evaporation and condensation to separate a solid and the solvent in which it is dissolved, e.g. getting pure water from salty water
a)
filtration
b)
distillation
c)
diffusion
d)
steaming
100 %
