Acid reflux experiment. Acid reflux from the stomach can be neutralized by antacid. Here,the universal indicator has turned red in the presence of an acid. Colour changes will indicate changes in the acidity. For a sequence showing the changes as the acid is neutralised by the addition of an antacid,see images C010/9143-9145 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Chillmaid, Martyn F. |
Bildgröße: | 3430 px × 5125 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |