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Alhussan Chemistry — Stage 9

Chapter 10: Structure, Bonding, and Properties

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Chapter 11: Patterns in the Periodic Table

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Chapter 12: Chemical Reactions 3 and Rates

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Chapter 13: Planet Earth and Continental Drift

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Quiz

Chemistry 11.2 Explaining density — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
Density of liquids (g/cm³). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 1
A
B
C
D
2.
Which is the correct definition of “Density column”?
A property that depends on the material, not its size.
Data that does not fit the pattern, e.g. potassium density.
Unit of density.
Liquids stacked by density.
3.
Density of gases at room temperature (g/dm³). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 2
A
B
C
D
4.
A 50 cm³ sample of honey (1.42 g/cm³). Mass?
51.4 g
71.0 g
35.2 g
710.0 g
5.
Lithium is the ____ dense metal.
not
least
most
equally
6.
Milk sits ____ honey and oil.
between
below
inside
above
7.
True or false? Heavier atoms always mean lower density.
True
False
8.
Density of water at different temperatures. At what value of "Temperature (°C)" is "Density (g/cm³)" greatest?
Dr Dabour Hub Academy - figure 3
0
20
4
80
9.
46 g of oil has volume 200 cm³. Density?
0.23 g/cm³
−154.00 g/cm³
4.35 g/cm³
9200.00 g/cm³
10.
True or false? Melting usually increases density.
True
False
11.
Density of materials (g/cm³). Which has the greatest value?
Dr Dabour Hub Academy - figure 4
Water
Aluminium
Cork
Lead
12.
Which statement is correct?
CO2 is less dense than air.
Ice is denser than water.
Heavier atoms always mean lower density.
Solids with the heaviest particles have the greatest densities.
13.
True or false? Honey sinks to the bottom of a density column.
True
False
14.
Density of gases at room temperature (g/dm³). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 5
A
B
C
D
15.
Honey, milk and oil form layers. Which is on the bottom?
Honey (densest)
Oil
They mix
Milk
16.
True or false? Ice is denser than water.
True
False
17.
Density of liquids (g/cm³). Which has the greatest value?
Dr Dabour Hub Academy - figure 6
Mercury
Oil
Water
Milk
18.
Density of liquids (g/cm³). Which has the smallest value?
Dr Dabour Hub Academy - figure 7
Honey
Milk
Oil
Water
19.
True or false? CO2 is less dense than air.
True
False
20.
Which term matches this definition? “A substance that floats on another is ____ than it.”
Less dense
Heavier
More dense
Equal in density
21.
A room is 75 m³ (air 1.2 kg/m³). Mass of air?
76 kg
90 kg
900 kg
62 kg
22.
92 g of oil has volume 50 cm³. Density?
1.84 g/cm³
42.00 g/cm³
0.54 g/cm³
4600.00 g/cm³
23.
Mercury is a very dense ____.
plasma
solid
gas
liquid
24.
Density of water at different temperatures. Calculate the percentage change in "Density (g/cm³)" from 0 to 80.
Dr Dabour Hub Academy - figure 8
7%
−8%
−7%
93%
25.
46 g of oil has volume 100 cm³. Density?
−54.00 g/cm³
0.46 g/cm³
2.17 g/cm³
4600.00 g/cm³
26.
Density of materials (g/cm³). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 9
A
B
C
D
27.
A room is 30 m³ (air 1.2 kg/m³). Mass of air?
36 kg
360 kg
25 kg
31 kg
28.
Density of materials (g/cm³). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 10
A
B
C
D
29.
Ice floats because water molecules are ____ in ice.
closer
heavier
further apart
smaller
30.
Which statement is correct?
Ice is denser than water.
Honey floats on oil.
Gas particles are far apart.
Packing has no effect on density.
31.
184 g of oil has volume 100 cm³. Density?
0.54 g/cm³
84.00 g/cm³
1.84 g/cm³
18400.00 g/cm³
32.
Which statement is correct?
Heavier atoms always mean lower density.
Lithium is the least dense metal.
Gases are denser than solids.
Oil sinks below water.
33.
Which term matches this definition? “How closely particles are arranged.”
Packing
2+ ion
Cube
Alkaline solution
34.
True or false? Water is unusual because ice is less dense than liquid water.
True
False
35.
Which term matches this definition? “Liquids stacked by density.”
Cube
Lithium
Density column
Shielding
36.
Density of water at different temperatures. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 11
A
B
C
D
37.
True or false? Density depends on the mass of particles and how closely packed they are.
True
False
38.
Oil floats at the ____.
top
middle
bottom
side
39.
Density of gases at room temperature (g/dm³). Which has the smallest value?
Dr Dabour Hub Academy - figure 12
Oxygen
Air
Hydrogen
Helium
40.
A room is 50 m³ (air 1.2 kg/m³). Mass of air?
60 kg
42 kg
600 kg
51 kg
41.
Which term matches this definition? “Particles arranged as tightly as possible.”
Group 2
Caesium
Close packing
Reading error
42.
Hot air balloons rise because hot air is ____.
heavier
less dense
colder
denser
43.
Density depends on the mass of particles and how closely ____ they are.
priced
coloured
packed
named
44.
Density of gases at room temperature (g/dm³). What is the value for Helium?
Dr Dabour Hub Academy - figure 13
0.08
1.20
0.17
1.30
45.
Which statement is correct?
Iron floats on mercury.
Packing has no effect on density.
Helium is denser than air.
Iron sinks in mercury.
46.
Density of water at different temperatures. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 14
A
B
C
D
47.
Heating a gas makes it ____ dense.
less
infinitely
equally
more
48.
A 250 cm³ sample of honey (1.42 g/cm³). Mass?
355.0 g
3550.0 g
176.1 g
251.4 g
49.
46 g of oil has volume 50 cm³. Density?
0.92 g/cm³
1.09 g/cm³
−4.00 g/cm³
2300.00 g/cm³
50.
Gold atoms are heavier than iron atoms so gold is ____.
lighter
equal
denser
less dense
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Part of Chapter 11: Patterns in the Periodic Table — see every lesson and quiz in this unit.
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