This is a timed quiz.
You have 10 minutes to complete the 24 questions in this quiz.
density = /
rho = /
Density is the mass per unit volume of a substance.
The SI unit of density is the per .
The density (in g/cm^3) for aluminium is:
8.9
2.7
19.3
0.80
The density (in g/cm^3) for copper is:
2.5
0.92
0.90
The density (in g/cm^3) for iron is:
7.9
The density (in g/cm^3) for gold is:
The density (in g/cm^3) for glass is:
The density (in g/cm^3) for wood(teak) is:
The density (in g/cm^3) for ice is:
The density (in g/cm^3) for polythene is:
The density (in g/cm^3) for paraffin is:
1.0
13.6
0.09
The density (in g/cm^3) for petrol is:
1.3
2.0
The density (in g/cm^3) for pure water is:
The density (in g/cm^3) for mercury is:
The density (in g/cm^3) for air is:
The density (in g/cm^3) for hydrogen is:
The density (in g/cm^3) for carbon dioxide is:
When measuring a regularly shaped solid, the mass is found on a and the volume by measuring its with a .
When measuring an irregularly shaped solid (such as a pebble or glass stopper), the of the solid is found on a balance. Its can then be measured by the between the first and second or by the of collected in the .
When measuring liquid, the mass of an beaker is found on a . A known of the liquid is transferred from a or a measuring cylinder into the . The of the beaker plus the is found and the of is obtained by .
When measuring air, a is used and the mass of a round-bottomed full of is found and again after removing the with a ; the gives the mass of in the flask. The of air is found by the with and pouring it into a .
An object sinks in a liquid of lower density than its own.