Question

If oxygen is there, how the colour of Janus Green B change?​

Answer 1

Answer:

pink because

Explanation:

Janus Green B is a basic dye and vital stain used in histology. ... The indicator Janus Green B changes colour according to the amount of oxygen present. When oxygen is present, the indicator oxidizes to a blue colour. In the absence of oxygen, the indicator is reduced and changes to a pink colour.