10 June 2023

Cleaning Water


 Turning pond water into something a bit cleaner. Still loads of bacteria and other nasties but much of the other stuff was removed.



No comments:

Post a Comment

“Why the Rate-Determining Step Is Not Always Obvious” A-Level Chemistry

  “Why the Rate-Determining Step Is Not Always Obvious” A student sees a three-step mechanism and immediately chooses the slowest-looking s...