# data[].attributes.body
* coal, natural gas, petroleum
* complete + incomplete combustion
*fractional distillation of petroleum
* hydrocarbons
* uses + properties of fractions
* alkanes, alkenes: properties
* cracking
* polymerisation

# data[].attributes.body
* chemical tests for water: copper (II) sulfate, cobalt (II) chloride.
* water treatment
* composition of air
* pollutants: causes and effects
* rusting: conditions, prevention
* greenhouse effect

# data[].attributes.body
* properties
* alloys
* order of reactivity
* extraction of copper
* extraction of iron (blast furnace)
* extraction of aluminium

# data[].attributes.body
* predict properties
* groups, periods
* alkali metals
* halogens
* transition elements
*noble gases

# data[].attributes.body
* pH measurement
* properties
* acidity in soil
* preparation, separation, purification of salts
* testing for anions, cations, gases

# data[].attributes.body
* rate of reaction
* effect of: particle size, catalysts, temperature
* collision theory
* activation energy
* oxidising, reducing agents

# data[].attributes.body
* Solids, liquids gases
* Change of state
* Atoms, molecules, ions

# data[].attributes.body
* endothermic, exothermic
* diagrams
* activation energy

# data[].attributes.body
* electrolysis
* electrodes, electrolyte, anode, cathode
* redox
* electrolysis of molten/aqueous solutions

# data[].attributes.body
* formulae
* word equations
* balancing equations

# data[].attributes.body
* physical + chemical changes
* elements, mixtures, compounds
* metals, non metals
* atom structure
* periodic table
* ionic bond
* covalent bond

# data[].attributes.body
* Apparatus
* Mehods of separation + purification