by which the more solid portions of the milk (cheese and butter) were then collected, and a portion of the copper converted into a sulphate. . The experiment was several times repeated ...

is used to separate a soluble solid from a liquid. For example, copper sulfate is soluble in water – its crystals dissolve in water to form copper sulfate solution. During evaporation ...

which results in nitric acid and copper sulfate. From there, the copper sulfate is placed in an electrolysis cell using a platinum cathode and copper anodes to pass current through it. After the ...