PRO TIP Block youtube.com at the DNS level — Pi-hole, NextDNS or your hosts file — but allow youtube-nocookie.com and i.ytimg.com. These tutorials keep playing; the rabbit hole does not.

GCSE Chemistry – Paper Chromatography

1.4M views on YouTube

Cognito 78 tutorials here

Chemistry

⭐ Test yourself with our quiz: https://cognitoedu.link/chemistry_chromatography

In this video you’ll learn:
– What chromatography is used for
– The process for setting up and carrying out paper chromatography
– What the mobile and stationary phases are