Chalk reacting with acid. When few drops of 1M hydrochloric acid are poured on the chalk stick,bubbles are produced. Chalk contains calcium carbonate that reacts with hydrochloric acid to produce carbon dioxide bubbles: CaCO3 + HCl -> CaCl2 + H2O + CO2 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Giphotostock |
Bildgröße: | 5126 px × 3412 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
|