Show it was long thought that the water from melted snow was the purest of all water this idea has been proven incorrect aa the reverse is the case snow is really a partner of the atmosphere attracting tr from it as it falls various impurities puri ties and these are found in the snow water some metals as lead and antimony condense on union others uka gold and calver expand this as well aa the beat given out in alloying especially when brass and bronze are formed proves that an alloy is not a mere mechanical mixture but a true chemical |