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 Windex for pH. The strip colour (blue) indicates that Windex is a base | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source |
Bildgröße: | 4736 px × 3375 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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