NDA2020General AbilityGeneral ScienceActual
Which one of the following is the correct sequence of change in colours when a turmeric stain on white clothes is scrubbed by soap and then washed with water?
Options
- AYellow - pink - blue
- BYellow - reddish brown- yellow
- CYellow- reddish brown - blue
- DYellow - blue - pink
Correct answer
B. Yellow - reddish brown- yellow
Step-by-step solution
Soaps are basic in nature therefore when rubbed on turmeric stain on white cloths. Yellow colour of vturmeric changes to redish brown. The correct sequence of change in colour is; Yellow-Redish brown-Yellow