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## Physics Quiz : Density

Answer the following questions based on density.

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Multiple choice

1.

The density of mercury is 13.6 g/cm3. So, the mass of 2 cm3 of mercury is
 6 g 27.2 g 27200 g None of these

Half-n-half Clue

2.

Which of the following statements is true?
 Water floats on oil because water is less dense than oil. Water floats on oil because water is more dense than oil. Oil floats on water because oil is less dense than water. Oil floats on water because oil is more dense than water.

Half-n-half Clue

3.

A metal body of mass 216 g occupies a volume of 80 cm3. Identify the metal.
 Tungsten with density = 19.4 g/cm3 Iron with density = 7.9 g/cm3 Lead with density = 11.4 g/cm3 Aluminum with density = 2.7 g/cm3

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4.

The density of air is about 1 g/cm3 at room temperature and atmospheric pressure.
 True False

5.

The density of oxygen at room temperature is about 1.3 kg/m3. Therefore, its density in g/cm3 is
 0.013 0.0013 1300 130

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6.

The fraction of an iceberg submerged below the water surface is
 9 / 10 1 / 10 1 / 5 4 / 5

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7.

The SI unit of density is
 cm3/g g/cm3 kg/m3 m3/kg

Half-n-half Clue

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