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). | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 7000 px × 3528 px |
Model Release : | Non requis |
Property Release : | Non requis |
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