Chemical Reactions

• Displacement is when an element is substituted for another element in an aqueous compound.
• Combustion is when a substance reacts with oxygen to produce a flame
• Combination is when two substances combine to form one new substance.
• Neutralisation is when an acid and a base react to form a ‘salt’ and water
• Precipitation when two solutions are mixed together and a solid (precipitate) forms.
• Decomposition is when one substance breaks down (decomposes) into two or more new substances.