

WG 1-2 Part 4 Slides & Review (EDIT)
Presentation
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Easy
+1
Standards-aligned
ShariAnn Cayer
Used 24+ times
FREE Resource
47 Slides • 20 Questions
1
2
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6
Multiple Choice
The particles in a mixture _ chemically chemically connected or bonded to one another. This is why they can be easily separated.
are
are not
7
Multiple Choice
When trying to decide how to separate a mixture, you should first __.
identify similarities in the properties of the components
identify differences in the properties of the components
attempt to dissolve the mixture in water
heat the mixture
8
9
10
11
12
Multiple Choice
The image on the previous slide showed you how a magnetic roller is used to separate the nonmagnetic particles from the magnetic particles in a mixture. The particles that fly off the belt and land in a container in front of the belt are:
magnetic and attracted to the magnet in the roller
nonmagnetic and attracted to the magnet in the roller
magnetic and NOT attracted to the magnet in the roller
nonmagnetic and NOT attracted to the magnet in the roller
13
Multiple Choice
The particles that stick to the belt longer and fall into the container under the belt are:
magnetic and attracted to the magnet in the roller
nonmagnetic and attracted to the magnet in the roller
magnetic and NOT attracted to the magnet in the roller
nonmagnetic and NOT attracted to the magnet in the roller
14
15
Multiple Choice
Chromatography separates mixtures because some components:
are more attracted to a solvent than others
have a higher boiling point than others
are larger than others
are magnetic and others are not
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19
Multiple Choice
The yellow pigment traveled the furthest up the chromatography paper because it:
has the strongest attraction to the solvent
has the weakest attraction to the solvent
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28
Multiple Choice
A centrifuge can be used to separate a mixture in which one component __.
more attracted to a solvent than others
has a higher boiling point than others
is more dense than others
is magnetic and others are not
29
Multiple Choice
Particles that are MORE dense will move:
to the top of the sample as it spins
to the bottom of the sample as it spins
30
Multiple Choice
Which component of blood is most dense?
Platelet Poor Plasma (yellow)
Platelet Rich Plasma (orange)
Red Blood Cells (red)
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38
Multiple Choice
Extremely small particles will:
remain on top of the filter paper
pass through the pores of filter paper
39
Multiple Choice
Particles that are INSOLUBLE in the solvent __
will NOT pass through the pores of the filter paper
pass through the pores of filter paper
40
Multiple Choice
What should you do to make filter paper stay in the funnel?
tape it down
hold it while the mixture is filtered
wet the filter paper
put some solid particles in the filter paper
41
Fill in the Blanks
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52
Multiple Choice
Recrystallization can be used to separate mixtures if one component:
is more attracted to a solvent than others
has a different boiling point than the others
is larger than others
is more dense than the other
53
Multiple Choice
The solid crystals appear as the
solute dissolves in the solvent
solvent evaporates
solute evaporates
solute melts
54
Multiple Choice
Rock candy can be made as water evaporates from a sugar solution. You should evaporate the water __ if you want really large crystals!
Slowly
Quickly
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64
Multiple Choice
Distillation can be used to separate mixtures if one component:
is more attracted to a solvent than others
has a different boiling point than the others
is larger than others
is more dense than the other
65
Multiple Choice
The component with the __ boiling point will boil and separate from the mixture first.
lowest
highest
66
Multiple Choice
The cold (blue) water that runs through the outer portion of the condenser tube will:
steal energy from the gas particles moving through the inner tube & help it condense
add energy from the gas particles moving through the inner tube & help it boil
67
Multiple Choice
Distillation can be used to separate crude oil into substances such as:
methane
gasoline
kerosene
diesel oil
all of the above
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