Density, Solubility, Separation Revision

A two euro coin is more dense than a ship

• True

• False

Water has a density of 1 g/cm^3

• True

• False

Oil floats on water because oil is more dense than water

• True

• False

Density is defined as:

• Mass and Volume

• Mass divided by Volume

• Volume divided by Mass

• Mass multiply Volume

The mass of 5 m^3 of copper is 44,800 kg. Work out the density of the copper.

• 8,960 kg/m^3

• 8,960 kg/m^2

• 224,000 kg/m^3

• 0.00011 kg/m^3

Does the density change in an object if you cut it in half?

• Yes

• No

Which of the following gases is less dense than air?

• Carbon Dioxide

• Oxygen

• Helium

• Argon

Unit for measuring mass

• kilograms (kg)

• metres (m)

• grams (g)

• centimetres (cm)

Unit for measuring the volume of a liquid

• metres (m)

• centimetres squared (cm^2)

• centimetres (cm)

• centimetres cubed (cm^3)

Unit for measuring the volume of a liquid

• metres (m)

• mililitres (mL)

• Litres (L)

• grams (g)