C1 particles and their behaviour

Is this a solid, a liquid or a gas?

• solid

• liquid

• gases

Is this a solid, a liquid or a gas?

• Solid

• Liquid

• Gas

Is this a solid, a liquid or a gas?

• Solid

• Liquid

• Gas

The change of state that involves a liquid becoming a solid is...

• Boiling

• Melting

• Freezing

• Liquifying

The change of state that involves a solid becoming a liquid is...

• Boiling

• Melting

• Freezing

• Solidifying

The change of state that involves a liquid becoming a gas is...

• Boiling

• Melting

• Freezing

• Solidifying

What two things can measuring melting point to be used for?

• Testing purity of a substance.

• Making new compounds.

• Identifying substances.

• Testing thermometers.

True or false: A pure substance melts at only one temperature.

• True

• False

True or false: The bubbles formed when something boils are full of air.

• True

• False

What does the term boiling point mean?

• The part of a liquid that boils first.

• The time taken for something to start boiling.

• The temperature at which a liquid boils.

• 100°C