Chalk in water. When chalk (calcium carbonate, CaCO3) is added to water (left) and stirred, it does not dissolve but forms a suspension (centre). After some time (a couple of days here) chalk settles at the bottom of a container (right). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Giphotostock |
Bildgröße: | 7000 px × 3528 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |