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Physics 9 Chapter 7 - Properties of Matter - 10
1.
What is the density of iron?
a) 123.32kgm
-3
b) 7900 kgm
-3
c) 9.20 kgm
-3
d) 13.600 kgm
-3
2.
Which of the following formula is correct for volume of a substance?
a) Volume = Mass / Density
b) Volume = Mass x Density
c) Volume = Mass - Density
d) Volume = Mass + Density
3.
How many metre cubes are equal to 1 cm
3
?
a) 10
-4
m
3
b) 10
-6
m
3
c) 10
-5
m
3
d) 10
-2
m
3
4.
The density of air is 1.3 kgm
-3
. Find the mass of air in a room measuring 8m x 5m x 4m?
a) 20.8 kg
b) 2.08 kg
c) 0.208 kg
d) 208 kg
5.
Calculate the volume of 200 g of lead shot having density 11300 kgm
-3
?
a) 1.77 x 10
-2
m
3
b) 1.77 x10
-5
m
3
c) 1.77 x 10
-3
m
3
d) 1.77 x 10
-4
m
3
6.
What is the density of mercury?
a) 123.32kgm
-3
b) 13600 kgm
-3
c) 9.20 kgm
-3
d) 13.600 kgm
-3
7.
How many gcm
-3
are equal to 1000 kgm
3
?
a) 10 gcm
-3
b) 0.1 gcm
-3
c) 1 gcm
-3
d) 100 gcm
-3
8.
What is the density of gold?
a) 9.20 kgm
-3
b) 13.600 kgm
-3
c) 19300 kgm
-3
d) 123.32kgm
-3
9.
Which of the following formula is correct for density?
a) Density = Mass + Volume
b) Density = Mass - Volume
c) Density = Mass / Volume
d) Density = Mass x Volume
10.
The mass of a 200 cm
3
stone is 500 g. Find its density?
a) 250 gcm
-3
b) 25 gcm
-3
c) 2.5 gcm
-3
d) 0.25 gcm
-3
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