Testing solution for pH. Universal indicator changes its colour depending on the pH of the solution. Shown here is a universal indicator paper strip testing vinegar for pH. The strip colour (orange) indicates that the vinegar is an acidic solution | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source |
Bildgröße: | 4908 px × 3456 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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