IGCSE CHEMISTRY SOLVED past paper 0620/21/O/N/23 - October / November 2023 Paper 21

[@corpsesboi361]

Thanks for making this video and explaining it very clearly!

[@omaritogaming3305]

Thank you Dr.mona for this OUSTANDING video, may god bless your knowledge ❤❤

[@miriammaged1822]

So in 13 if it was *mass of zinc only* D could’ve been correct right?