Tuesday, January 19, 2010

HOW MUCH TIME DOES IT TAKE FOR COPPER SULPHATE TO CHANGE TO Green FROM BLUE WHEN IRON NAILS ARE KEPT IN IT???

1HR 8HRS 24HRS OR WHAT???HOW MUCH TIME DOES IT TAKE FOR COPPER SULPHATE TO CHANGE TO Green FROM BLUE WHEN IRON NAILS ARE KEPT IN IT???
I think its 1hr because iron is a quite reactive metal and it changes green because the iron reacts with the copper sulphate making green iron sulphate and copper.
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