The Chemists And The Bar

Riddle: Two chemists walk into a bar. One of them orders h20. The other one wants h2o too. What happens to the other one?

Answer: He dies because he drank hydrogen peroxide.

Source: https://www.riddles.com/index.php/4483

Two chemists walk into a bar. One of them orders h20. The other one wants h2o too. What happens to the other one? — The chemists and the bar by Corey v1.

Riddle: Two chemists walk into a bar. One of them orders h20. The other one wants h2o too. What happens to the other one? Answer: He dies because he drank hydrogen peroxide. — by Corey v2.