Decomposition of hydrogen peroxide. A spatula of manganese dioxide has been added to hydrogen peroxide solution. The manganese dioxide catalyses the d

---

Decomposition of hydrogen peroxide. A spatula of manganese dioxide has been added to hydrogen peroxide solution. The manganese dioxide catalyses the decomposition of the hydrogen peroxide into water and oxygen. A glowing splint has been relit by the gas being evolved, confirming that it is oxygen.

---

Size: 4500px × 4500px
Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, background, beaker, black, catalysed, catalysis, catalysts, chemical, chemicals, chemistry, decomposition, demonstration, dioxide, dissociation, education, experiment, glowing, group, h2o2, hydrogen, ingredients, manganese, oxygen, peroxide, reaction, reagents, school, science, sequence, shot, solution, spatula, splint, studio, test, thermal