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Ten quick definition questions drawn from common AQA and OCR A terminology. Precise wording matters; vague recollection tends to become even vaguer under exam lighting.

Exact acceptable wording can vary between exam boards and questions. Use your specification and official mark schemes when learning board-specific definitions.

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Definitions are one small part of the course. Chemistry Help contains larger AQA and OCR A question sets, generators and topic tools.

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