Chemistry lesson, topic
– iron, at the blackboard
– Vovochka. Marvanna asks: “Tell me, what is the process of iron corrosion?”
– Iron becomes covered with rust.
– Can you write the reaction equation?
– I can’t…
– What does rust consist of?
– I don’t know…
– Okay, let’s go together. Write Fe(OH)3…
– Vovochka writes on the board:
– FeOFeOFeO.
– Horror ! What did you write here?
– They themselves said FeO… three times…