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[@chembio](/creator/youtube/chembio)
"This free tool will completely change the way you study for IGCSE & A-levels"  
[YouTube Link](https://youtube.com/watch?v=iF1wDV_DHhk) [@chembio](/creator/youtube/chembio) 2025-10-22T19:24Z 13.7K followers, XXX engagements


"Do not lose marks on this IGCSE Chemistry topic; easily secure X marks #igcsechemistry"  
[YouTube Link](https://youtube.com/watch?v=nMRy9TfUlNo) [@chembio](/creator/youtube/chembio) 2025-10-22T13:01Z 13.7K followers, XXX engagements


"Not many A-level Biology students get all X marks on this question"  
[YouTube Link](https://youtube.com/watch?v=QLwfMsEJtuQ) [@chembio](/creator/youtube/chembio) 2025-10-21T13:00Z 13.7K followers, 1530 engagements


"IGCSE Biology: How Do We Make Penicillin 💊"  
[YouTube Link](https://youtube.com/watch?v=V7rWeaAEaEI) [@chembio](/creator/youtube/chembio) 2023-08-06T18:54Z 13.7K followers, 30.9K engagements


"IAL Chemistry Unit X Dative Covalent Bonds"  
[YouTube Link](https://youtube.com/watch?v=uhM9uA7I0rw) [@chembio](/creator/youtube/chembio) 2024-10-31T16:01Z 13.7K followers, 2247 engagements