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The 6-mark extended response question is the single most important question type on your Edexcel GCSE Chemistry papers. Each paper will contain at least one 6-mark question, and these are the questions where the difference between a grade 5 and a grade 8 becomes most visible.
Unlike other questions where you earn one mark per correct point, 6-mark questions use levels-based marking. This means the examiner reads your entire answer, decides what level it falls into, and then awards a mark within that level.
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