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30.0 x 45.2 cm ⏐ 11.8 x 17.8 in (300dpi)
ER DEGGINGER / SCIENCE PHOTO LIBRARY ER DEGGINGER / SCIENCE PHOTO LIBRARY
A zinc strip in a solution of copper sulfate results in an oxidation-reduction reaction. This is a chemical reaction in which electrons are transferred from one reactant to another. Zinc atoms enter the solution as zinc ions. Copper ions are reduced to copper atoms on the surface of the metal. 1 in a series of 2.
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