Litmus test. A blue litmus paper strip was dipped into 1M sulfuric acid (H2SO4). Its colour changed to red indicating an acidic solution. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Giphotostock |
Bildgröße: | 3426 px × 5158 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |