As a high school teacher heats up ground copper II sulphate pentahydrate, water is driven out of the hydrate, and, as the water is vaporized, the compound turns greyish white. This is dehydration. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Hutchings, Richard |
Taille de l’image : | 1749 px × 2263 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |