Nickel sulphide precipitate. Nickel sulphide (NiS) precipitate (black) formed by adding 0.25 M solution of nickel sulphate (NiSO4) drop by drop to 0.25 M solution of sodium sulphide (Na2S). The reaction is Na2S + NiSO4 -> NiS + Na2SO4. This is an example of a double replacement reaction. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 7000 px × 3528 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |