Yo mamas so fat when she wants to take a bath, they need to make more H2O
The "W" in Africa stands for water.
A chemical store burned down, and the firefighter just stood there, but at the end, the store fire just went out by itself. But the store owner still got angry.
Store owner: Why didn't you take out the fire?
Firefighter: Yeah, but it went out by itself.
Store owner: But still, why?
Firefighter: Your chemical store sells H20.
Store owner: Oh, I get it now!
If the formula of water is H2O, then what is the formula of ice?
H2O cubed.
If O2 is H2O, what is F?
It is H2O too; F is water as well.
One day, a chemistry teacher asked his student, whose name is Raj, "What is the chemical formula of water?"
The Raj replied, "HIJKLMNO."
The teacher asked, "What is this rubbish?"
The Raj replied, "Yesterday, you taught the chemical formula of water is H2O."
What did the fish say to the other fish?
"I want my life to be H2O-ver!"
Two scientists walk into a bar. The first one says, "Can I have a drink of H2O?" Then the second says, "Can I have a drink of H2O2?" and he dies.
On the inside of a fire hydrant you'll find H2O. What's on the outside? K9P.