WorksheetsMixtures
Total questions: 18
Worksheet time: 13mins
Name
Class
Date
1.
Combination of two or more pure substances that are not chemically combined
a)
compound
b)
atom
c)
mixture
d)
element
2.
Type of mixture that has the SAME COMPOSITION in every part.
a)
Homogenous
b)
Heterogeneous
3.
Type of mixture that DOESN'T HAVE the same composition in every part.
a)
Homogeneous
b)
Heterogeneous
4.
Which of these is a heterogeneous mixture?
a)
Milk
b)
Juice
c)
Trail mix
d)
Smoothie
5.
Which of these is not a heterogeneous mixture ?
a)
a chocolate chip cookie
b)
pepperoni pizza
c)
a taco
d)
milk
6.
Air is a (an)
a)
compound
b)
element
c)
homogeneous mixture
d)
heterogeneous mixture
7.
What will allow more solute to be dissolved in a solvent.
a)
adding more solute
b)
stiring
c)
cooling solution
d)
heat
8.
Rey is making soup. He will dissolve cubes of instant soup mix in hot water.
How can Rey make the soup cubes dissolve more quickly in the water?
How can Rey make the soup cubes dissolve more quickly in the water?
a)
use less water
b)
use more water
c)
add ice cubes to cool the water
d)
break the soup cubes into smaller pieces
9.
Kool-Aid - Powder, sugar, and water
Identify the solvent
Identify the solvent
a)
water
b)
powder
c)
sugar
d)
powder and sugar
10.
When no more sugar will dissolve in a glass of water, the solution is
a)
unsaturated
b)
saturated
c)
supersaturated
d)
suspended
11.
The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as
a)
decanting
b)
evaporation
c)
loading
d)
chromatography
12.
Which is the best set of tools to use for separating a mixture of water, sugar, and pebbles?
a)
a filter and a magnet
b)
a filter and a hot plate
c)
a magnet and a hot plate
d)
a settling tank and a filter
13.
Which one of the following would you use to separate sand from iron filings?
a)
a bar magnet
b)
filter paper
c)
chromatography paper
d)
alum
14.
Water and alcohol are easily separated by distillation because of their
a)
different melting points
b)
different colours
c)
different densities
d)
different boiling points
15.
To separate a mixture of soil and water what separation method is used?
a)
Filtration
b)
Distillation
c)
Chromatography
d)
Evaporation
16.
To separate a mixture of salt and water what separation method is used?
a)
Filtration
b)
Distillation
c)
Chromatography
d)
Evaporation
17.
Sodium chloride can be separated from rock salt by first adding water to the mixture to dissolve the sodium chloride. The separation then takes place in two stages:
a)
evaporation followed by filtration
b)
distillation followed by decanting
c)
filtration followed by evaporation
d)
filtration followed by decanting
18.
In a coffee machine, the ground coffee is separated from the coffee solution by using..
a)
sand paper
b)
filter paper
c)
toilet paper
d)
tissue paper
100 %
