Measurement uncertainty
Measurement uncertainty
No measurement is perfectly exact. Measurement uncertainty is the estimated interval around a measured value within which the result is expected to lie.
Step-by-step lessons on AQA GCSE Chemistry 3.1.4 Chemical measurements. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.