WorksheetsUnit 4: Mixtures and Solutions Review
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
1. Determine if the image below is a pure substance or a mixture.
a)
pure substance
b)
mixture
2.
2. Determine if the image below is a pure substance or a mixture.
a)
pure substance
b)
mixture
3.
3. Determine if the image below is a pure substance, homogenous mixture or heterogenous mixture.
a)
pure substance
b)
homogenous mixture
c)
heterogenous mixture
4.
4. Determine if the image below is a pure substance or a mixture.
a)
pure substance
b)
mixture
5.
5. Consider a mixture consisting of sand in salt water. This
mixture could be separated into its three components of
sand, salt and water by first _____ the mixture and then
_____ the remaining mixture.
a)
distilling, evaporating
b)
distilling, filtering
c)
filtering, distilling
d)
evaporating, filtering
e)
evaporating, grinding
6.
6. Why is water considered to be the universal solvent?
a)
It contains hydrogen
b)
It is capable of dissolving more substances than any other liquid
c)
It contains metallic bonds
d)
It is magnetic
7.
7. How are compounds created?
a)
physical change
b)
chemical change
8.
8. What is two or more substances (elements or compounds)
that are physically blended but but are not chemically bonded to one another?
a)
mixture
b)
compound
c)
element
d)
synthesis
9.
9. Determine if the image below is an element, compound or mixture.
a)
element
b)
compound
c)
mixture
10.
10. A mixture in which the substances that make up the mixture are not evenly mixed is known as a heterogeneous mixture. Which of the following is this type of mixture?
a)
sprite
b)
trail mix
c)
table salt
d)
brass
11.
11. A mixture in which two or more substances are evenlymixed on the atomic level but NOT atomically bonded
together are known as a homogeneous mixture. What is
another name for this type of mixture?
a)
solute
b)
solvent
c)
solution
d)
filtration
12.
12. What part of a solution is present in the greatest quantity?
a)
solute
b)
solvent
c)
distillation
d)
mixture
13.
13. Which of the following is a pure substances?
a)
concrete
b)
wood
c)
chocolate chip cookies
d)
elemental copper
14.
14. Which of the following is NOT a pure substance?
a)
air
b)
baking soda
c)
sodium chloride
d)
copper
e)
iron
15.
15. What is matter that is always made up of the same
combination of atoms?
a)
pure substance
b)
mixture
c)
solution
d)
replacement
16.
16. A solution is a type of mixture that is the same throughout, and can be a solid, liquid or gas. Which of the following is an example of a solid solution and is also called an alloy?
a)
table salt
b)
brass
c)
elemental copper
d)
snack mix
17.
17. What type of separation is demonstrated here?
a)
filtration
b)
distillation
c)
evaporation
d)
magnestism
e)
chromatography
18.
18. What type of separation is demonstrated here?
a)
filtration
b)
distillation
c)
evaporation
d)
magnestism
e)
chromatography
19.
19. ________ uses a solvent to separate and identifycomponents of a mixture. As the solvent slowly travels up
he paper, the different components of the mixturewill travel at different rates up the paper and the mixtures
are separated into different colored spots.
a)
evaporation
b)
magnestism
c)
chromatography
d)
filtration
e)
distillation
20.
20. How is a solute different from a solvent in a solution?
a)
The solute is present in a greater amount.
b)
The solute is present in a smaller amount.
c)
The solute is a solid and the solvent is a liquid.
d)
The solute is a liquid and the solvent is a gas.
21.
21. According to this table, what is the solvent in the air?
a)
oxygen
b)
helium
c)
water vapor
d)
nitrogen
100 %
