Bleach with universal indicator added. Universal indicator changes colour depending on whether it has been added to an acid or an alkali. Bleach is a strong alkali,and in alkaline solutions,universal indicator turns a colour between purple (strong alkali) and green (weak alkali). In acidic solutions,it turns between yellow-orange (weak acid) and red (strong acid) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Andrew Lambert Photography |
Bildgröße: | 3223 px × 4399 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |