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GCSE Chemistry · key term
A small preliminary investigation used to check the method and identify safe, practical and measurable values for the main investigation.
Used by OCR
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
Revise: Sample size and rangeA small pilot investigation can help identify values that are neither too small to measure nor too rapid, slow or hazardous to use.
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