MCQ - 2019 Past paper discussion / Part 01 / Ordinary level / 2020

This video includes 5 past paper questions and some similar questions related to it. Practice Makes Perfect !!!! Equations and units:https://www.youtube.com/watch?v=fwrvFmrv14Y Modern Periodic table: https://www.youtube.com/watch?v=oi4dZPRTKH4 The cell and the cellular organization:https://www.youtube.com/watch?v=q0YYjAkNsGk Past paper discussion on Gases: https://www.youtube.com/watch?v=KqhjicleaBQ preparation of CO2: https://www.youtube.com/watch?v=PrHG9... preparation of H2: https://www.youtube.com/watch?v=2yNkA... Preparation of O2:https://www.youtube.com/watch?v=tzGZZp1CFYE&t=17s Pictures are from google and Pinterest Telegram : @olenglishmediumscience