O Level, IGCSE chemistry - Nitrogen and sulfur - Part 1

Hi all, I hope the revamped topical playlist comprising of related concepts associated with the 14-16 years old O, IGCSE, GCSE Chemistry curriculum, will be useful for many out there. If you enjoy my tutorials, subscribe and share my channel widely with others, please. Also, you can follow me @ptet.chemistry on Instagram, Facebook and Twitter to get connected. I am also available for private tutoring via Zoom/Teams. All this for $40 per hour, get in touch at (+673)8656158