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Density Review
Test Description: Density Review
Instructions: Answer all questions to get your test result.
1) What is the density of a substance that has a mass of 55.4 g and a volume of 10 cm3?
A
5.54 g/cm3
B
0.554 g/cm3
C
5 kg/l
D
5 kg/l
2) Density is defined as
A
volume * mass.
B
mass/volume.
C
volume - mass.
D
volume + mass.
3) An object will always float in water if it is...
A
more dense than water
B
heated up in water
C
frozen
D
less dense than water
4) What is the density of water?
A
0.1g/cm3
B
1.0g/cm3
C
0.11g/cm3
D
2g/cm3
5) The volume of a sample element is 10 mL. If the mass of the sample is 98.7 grams, what is its density?
A
9.87 g/mL
B
98.7 g/mL
C
1.01 g/mL
D
0.10 g/mL
6) You have a rock with a volume of 15cm3 and a mass of 45 g. What is its density?
A
0.3 g/cm3
B
3.0 g/cm3
C
30 g/cm3
D
0.333 g/cm3
7) You have a different rock with a volume of 30cm3 and a mass of 60g. What is its density?
A
0.5 g/cm3
B
20 g/cm3
C
2.0 g/cm3
D
5 g/cm3
8) What is the density of a piece of wood that has a mass of 25.0 grams and a volume of 29.4 cm3? 1.
A
8.5 g/cm3
B
0.85 g/cm3
C
1.00 g/cm3
D
1.176 g/cm3
9) A piece of wood that measures 3.0 cm by 6.0 cm by 4.0 cm has a mass of 80.0 grams. What is the density of the wood?
A
1.11 g/cm3
B
0.9 g/cm3
C
6.0 gm/cm3
D
40.323 g/cm3
10) A cup of gold colored metal beads was measured to have a mass 425 grams. By water displacement, the volume of the beads was calculated to be 48.0 cm3. Given the following densities, identify the metal. Gold: 19.3 g/mL Copper: 8.86 g/mL Bronze: 9.87
A
Copper
B
None of these
C
Bronze
D
Gold
*select an answer for all questions
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