Combined Science GCSE
Excess
What Excess means in Combined Science GCSE, as defined for Pearson Edexcel.
Definition of Excess
More than the amount required to react completely with the limiting reactant.
Topics that use Excess
- Chemical change (Pearson Edexcel GCSE)
Related terms
Using Excess in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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