Year 11 Paper 1 - Chemistry

In which state can diffusion NOT happen?

• Solid

• Liquid

• Gas

Which state is the most dense?

• Solid

• Liquid

• Gas

What is the name for the change of state when a liquid changes to a gas?

• Melted

• Evaporation

• Condensation

• Freezing/Solidifying

What is the name for the change of state when a solid changes to a liquid?

• Melted

• Evaporation

• Condensation

• Freezing/Solidifying

What is the name for the change of state when a gas changes to a liquid?

• Melted

• Evaporation

• Condensation

• Freezing/Solidifying

What is the name for the temperature where a solid turns into a liquid?

• Boiling point

• Melting point

What is the name for substances made of two or more types of atoms NOT chemically bonded together?

• Elements

• Compound

• Mixtures

What is

the formula for Methane?

• 
  

  $CH_4$

• $H_2O$

• $CO_2$

Define "alloy"

What is the word for an element that always exists as two atoms bonded together?

• Triatomic

• Atomic

• Diatomic