Litmus papers being dipped into different solutions. Litmus paper is either red or blue. The red form turns blue in alkalis. The blue form turns red in acids | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4500 px × 4500 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |