So, the teachers see the kids eating lunch in their classrooms every day and spilling their drinks and getting food on their desks and the first thought is let's give them acid. I think we're lacking ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...

Salts are produced in the reactions of acids. Some salts can be useful, and so chemists sometimes carry out preparations of pure salts. There are two different approaches to making a pure salt which ...