C1 OCR revision

Match the following particle diagram with the state of matter

• solids

• 
• liquid

• 
• gas

• 

There are ​ (a)   states of matter. In solids there are ​ (b)   forces of attraction between the particles. The particles are in a ​ (c)   position and ​ (d)   on the spot. In liquids the forces are ​ (e)   than in solids .

• Three
• Four 
• Two
• Strong
• Weak 
• Fixed
• Free
• vibrate
• constantly move around
• weaker

When a solid is heated it's particles gain more ​ (a)   . The particles​ (b)   . more and ​ (c)   the forces. At a certain temperature the solid​ (d)   into a liquid. If the liquid is heat further it will ​ (e)   and turn into a gas.

• energy
• vibrate
• weakens
• melts
• boil

Oxygen has a melting point of -219 Degrees centigrade and a boiling point of -183 degrees centigrade. What state is oxygen in at -200 degrees centigrade?

• solid

• liquid

• gas

Why is methane called a hydrocarbon?

• IT contains Carbon

• It contains Hydrogen

• It contains hydrogen and carbon only

• it contains oxygen

What structure do ionic compounds have?

• simple structure

• single ions

• simple lattice

• giant lattice

What type of chemical reaction gives out energy and causes the temperature to increase?

What type of reaction takes in energy and causes the temperature of the reaction to decrease?

Name the reaction this type of reaction profile is for?

• Endothermic

• Exothermic

• No change in temperature

What type of reaction is this reaction profile for?

• Exothermic reaction

• Endothermic reaction

• no temperature change