On the inside of a fire hydrant you’ll find H2O. What’s on the outside? K9P

2 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

what did the fish say to the other fish?

I want my life to be H2O-ver

one day chemistry teacher asked his student whose name is Raj waht is chemical formula of water the Raj replied HIJKLMNO TEACHER WHAT IS THESE RUBBISH THE RAJ REPLIED YESTERDAY YOU THOGHT CHEMICAL FORMULA OF WATER IS H2O,