GCSE Chemistry - What is Corrosion and How to Stop it (2026/27 exams) скачать в хорошем качестве

GCSE Chemistry - What is Corrosion and How to Stop it (2026/27 exams)

⭐️ Check out our website https://www.cognito.org/ ⭐️ ** WHAT'S COVERED ** 1. Understanding corrosion. 2. The chemistry of rusting. 3. Conditions needed for rusting. 4. Nature of corrosion products. 5. Methods to prevent iron from rusting. Barrier methods: Preventing oxygen and water from reaching the iron. Sacrificial methods: Using a more reactive metal to corrode. Galvanising: Coating iron with zinc. ** EXAM BOARD INFO ** AQA - Separate/triple science only IGCSE Edexcel - All suitable for your course Edexcel - Separate/triple science only OCR 21st Century - Separate/triple science only OCR Gateway - Separate/triple science only ** CHAPTERS ** 0:00 What is Corrosion? 0:16 Rusting: Iron + Oxygen + Water 0:42 Rusting as a Redox Reaction 1:31 Conditions Required for Rusting 1:51 Experiment: Conditions for Rusting 2:54 Corrosion: Surface Phenomenon (Iron vs Aluminium) 3:58 How to Prevent Rusting 4:07 Barrier Methods: Painting, Oiling, Electroplating 4:58 Sacrificial Methods 5:23 Galvanising: Barrier & Sacrificial Protection ** PLAYLISTS **    • GCSE Maths (9-1)      • GCSE Biology (9-1)      • GCSE Chemistry (9-1)      • GCSE Physics (9-1)      • A-Level Biology   #GCSE #Chemistry #study #revision #school #exam #AQA #OCR #Edexcel #IGCSE #IB #AP