Litmus indicator. Litmus changes its colour depending on the pH of the solution. Here a pipette is used to add litmus indicator to a beaker containing vinegar (mostly diluted acetic acid, CH3COOH). Vinegar is acidic and turns litmus pink/red colour. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 3424 px × 5152 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |