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WorksheetsMatter & Mixture Review
Total questions: 14
Worksheet time: 15mins
Name
Class
Date
1.
A spoonful of salt is added to a glass of water. What effect is stirring the water most likely to have?
a)
Stirring causes less of the salt to dissolve.
b)
Stirring causes more of the salt to dissolve.
c)
Stirring causes the salt to dissolve more quickly.
d)
Stirring causes the salt to dissolve more slowly.
2.
In which of these do particles move slowest?
a)
matter
b)
gas
c)
liquid
d)
solid
3.
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.
4.
Which of these best shows particles in a heterogeneous mixture?
a)
A
b)
B
c)
C
d)
D
5.
A homogenous mixture is also called a
a)
mechanical mixture
b)
solution
c)
colloid
d)
emulsion
6.
How does this mixture differ from a solution?
a)
Both this mixture and a solution can be separated easily.
b)
In the solution the particles are very small, cannot be seen, and are spread evenly throughout the mixture.
c)
In both a mixture and a solution the particles have the same properties both before and after they are mixed.
d)
Mixtures and solutions are the same thing.
7.
A combination of two or more substances that cannot easily be separated--
a)
mixture
b)
solution
c)
solute
d)
solvent
8.
How do you get parts of a solution separated?
a)
you cannot
b)
filter it
c)
evaporate the liquid
9.
If I added 27 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind?
a)
20 grams
b)
0 grams
c)
27 grams
d)
10 grams
10.
A solvent ...
a)
is the part that does the dissolving
b)
is the part that is dissolved
c)
is never water
d)
is present in lesser amounts than the solute
11.
Imagine that you have a mixture of sand and water. What would be the best way to remove the sand from the water?
a)
Chromatography
b)
Filtration
c)
Sifting
d)
Evaporation
12.
The students were asked to compare solutions made by their teacher to discover concentration.
Solution 1: 100 mL 2 tablespoons of salt
Solution 2: 200 mL 5 tablespoons of salt
Solution 3: 300 ML 6 tablespoons of salt
Which is most concentrated?
a)
Solution 1
b)
Solution 2
c)
Solution 3
13.
If I add 5g of salt and 5g of sugar to water, what will happen to the mass of the ingredients.
a)
Stays the same
b)
increases
c)
decreases
14.
How can I separate ping pong balls from sand?
a)
a meter stick
b)
filtration
c)
a bucket of water
d)
tweezers
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