Setup
Process
Analysis
Drag dyes to filter paper spots
Dye W
Dye X
Dye Y
Dye Z
Food Colouring F
×
×
×
×
×
Start Chromatography Process
Fill basin with water to 2cm depth
2cm
Fill Water
Start Separation
Time:
0
s
Compare Chromatograms
Dye W
Dye X
Dye Y
Dye Z
Food Colouring F
Assessment
Which toxic dye (W, X, Y, or Z) is present in food colouring F?
Submit Answer
Reset Experiment