Litmus indicator. Litmus changes its colour depending on the pH of the solution. Here litmus indicator is added to a beaker containing vinegar (mostly diluted acetic acid, CH3COOH). Vinegar is acidic and turns litmus a pink/red colour. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 3383 px × 5143 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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