This is a displacement reaction. Two new products have formed: copper and iron sulfate. In fact, we can see the colour of the solution changes as the copper sulfate gets replaced by iron sulfate.

They show reactions taking place after acid is dripped onto a flower, or when a copper sulphate solution was mixed with sodium hydroxide, to create copper sulphate precipitate, which looks like a ...

I'd mix 1.75 pounds of copper sulfate in each gallon of water. My guess is you'll discover that 2 or 3 gallons of water is plenty to treat an average-sized patio. I'd apply the solution when the ...

Old olives from previous years' harvests which had lost their colour were 'recycled' with a coat of copper sulphate to give them an intense and uniform green colour. Copper sulphate was a clever ...

Italian olives painted with copper sulphate solution, Sudanese sugar tainted ... "painted" with copper sulphate solutions to enhance their colour. A number of arrests were made worldwide and ...

Copper sulphate solution is typically generated by treating a portion of the upgraded concentrate in a pressure-ox autoclave. The chalcocite/digenite is converted to copper sulphate and the gold ...

Nearly 94,000 tons of green olives have been seized by Italian police after it was discovered that copper sulphate was used to enhance their color, the British daily The Guardian reported.