Copper(II) oxide and zinc metallic react collectively in an exothermic response to provide zinc oxide and copper. By observing this response and its merchandise, and noting the distinction in reactivity between zinc and copper, college students can familiarise themselves with the concept of competiton reactions.
Tools
Well being, security and technical notes
Process
Instructing notes
Coarse magnesium powder, for instance, offers a much less vigorous response than powdered zinc. Finely powdered magnesium offers a really vigorous response and will solely be tried with nice care. The response between aluminium powder and copper oxide is nearly explosive and should not be tried.