TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Editorial use only.
Neutralisation reaction. Copper oxide powderhas been added to dilute sulphuric acid in the beaker. This neutralises the acid to form copper sulphate and water. This is shown by the universal indicator paper test, which indicates a pH of 7, which is neutral.
Model release not required. Property release not required.