IGCSE Chemistry topic 11, part 2 – Air:

Traffic Pollution is a 3m 14s vid from BBC iScience. Science Bank 1 (Raw Materials): nitrogen & the distillation of liquid air can be found from 8m 31s to 10m 40s and BBC Short Circuit Changes in Atmosphere is a 19m video covering global warming.

TEXTBOOK REVISION

Complete Chemistry for Cambridge IGCSE, chapter 15, pp.212 – 215 & chapter 16, pp.234 – 235 & 238 – 239