“Oxidants happen”—a pun on “accidents happen” is a chemistry joke that has been printed on many images. “Oxidants happen” was posted on the newsgroup alt.humor.puns on November 16, 1998.
 
“i blew up my chemistry experiment. oh well, oxidants happen” was posted on Twitter by 💀 jenny💀 on September 8, 2011. “Science cat says, ‘I blew up my chemistry experiment. Oxidants happen’” was posted on the blog Le Café Witteveen on December 7, 2011.
 
“I accidentally blew up my chemistry lab in high school. Oxidants happen” was posted on Twitter by The Geeky Station on June 2, 2018.
   
     
Wikipedia: Oxidizing agent
In chemistry, an oxidizing agent (oxidant, oxidizer) is a substance that has the ability to oxidize other substances — in other words to accept their electrons. Common oxidizing agents are oxygen, hydrogen peroxide and the halogens.
     
Google Groups: alt.humor.puns
Dead Chemists
Quiplash
11/16/98
(...)
Oxidants happen.
       
Twitter
LoJo
@Louise_Johnston
Amazing, just saw a class hoody “oxidants happen” total chemistry nerd!
8:47 AM · May 11, 2011·Twitter for iPhone
   
Twitter
💀 jenny💀
@feather0ars
“i blew up my chemistry experiment. oh well, oxidants happen.”
4:21 PM · Sep 8, 2011·Twitter Web Client
   
Twitter
dan lee
@danleeok
Chemistry building explosion. Oh well, oxidants happen.
2:42 PM · Sep 26, 2011·Twitter Web Client
   
Twitter
Jennifer Huwe
@jgord5
@TriciaLigon
“I blew up ny chemistry experiment” ” oxidants happen”
11:30 AM · Dec 5, 2011·Twitter for Android
       
Le Café Witteveen
Science cat tells a(nother) joke
DECEMBER 7, 2011 ~ JEREMY
Science cat says, “I blew up my chemistry experiment. Oxidants happen.”
 
Twitter
erica
@ericasdfghjkl
I blew up my Chemistry experiment. Oxidants happen. http://tmblr.co/ZiQ6ayCxD6Xh
12:33 PM · Dec 7, 2011·Tumblr
 
Twitter
Chemistprobz
@Chemistprobz
Blew up my chem experiment. Oh well, oxidants happen. #chemistprobz
2:26 PM · Dec 21, 2011·Twitter for iPhone
 
imgur
SCIENCE—sorry if repost
by Haileycalamity Nov 29 2012
I BLEW UP MY CHEMISTRY EXPERIMENT
OXIDANTS HAPPEN
     
Twitter
Chemistry Jokes
@Chem_Jokes
A chemistry experiment gone wrong- oxidants happen #chemjokes
6:27 PM · Jul 6, 2013·Twitter for iPhone
 
Twitter
AsapSCIENCE
@AsapSCIENCE
I exploded my chemistry experiment, but that’s alright… Oxidants happen.
12:00 PM · Jan 3, 2014·Hootsuite
     
Google Groups: G-READ-Y
29 Hilarious Dad Jokes You Can Tell Without Offending Anyone [feedly]
Sarthak Ahuja
6/13/14
(...)
27. Every damn time
My chemistry set blew up, I guess oxidants happen.
     
Scratch 
Nerd Jokes!
nathanprocks
Aug. 20, 2014 11:22:31
(...)
I blew up my chemistry experiment. Oxidants happen
 
Storypick
19 Intelligent Jokes That You Need To Read Twice To Understand – Part 2
BY ANANTA SHARMA -28TH DECEMBER 2015
(...)
4. You blew up your chemistry experiment? It’s OK, oxidants happen.
   
Twitter
KariAnn Ramadorai
@KariAnnWrites
A chem student dropped a beaker. Instead of getting mad, the TA said, “It’s OK. Oxidants happen. Add hydrogen and mop.”
#fridayFunny
10:56 AM · Jan 1, 2016·Twitter Web Client
 
Twitter
The Geeky Station
@thegeekystation
I accidentally blew up my chemistry lab in high school. Oxidants happen.!
#science #chemistry #sciencejokes #funny #meme #thegeekystation
12:30 AM · Jun 2, 2018·Hootsuite
 
Twitter
❄️Talk To The Hatter🎩
@Talk_To_The_Hat
My chemistry set blew up, I guess oxidants happen.
#HatDadJoke
6:22 PM · Feb 3, 2020·Twitter Web App