Before looking at mark schemes, attempt a full paper under timed conditions. Use an updated periodic table and calculator, but nothing else. This simulates real exam pressure and reveals true weak areas.

Excellent "Required Practicals" section which is often a weak point for students. 3. PapaCambridge

Official exam board websites have a "Past Papers" section filtered by year. Avoid random third-party archives unless they explicitly state the syllabus version.

Eliminate last-minute surprises.