Metals can react with water, acid and oxygen. The reactivity of the metal determines which reactions the metal participates in. Watch this video to see a practical investigation into the ...

On comparing together the loss of weight f metal in the fresh water, sea water ... only a dight tinge of a greenish infusion can be de--ectedj a sure indication of the scarcity of oxygen.

The detector is full of ultra-pure water, which can leach the nutrients out of your hair and dissolve metal. Hidden 1,000 metres under Mount Ikeno in Japan is a place that looks like a ...