💚 Reasoning: Explain why the black food coloring separated into different colors.
Use ALL the sentence starters:
- The black food coloring is a _________________. (substance or mixture)
- The black food coloring separated into different colors because _________________.
- The red dye was at the ________________ of the chromatography paper because ________________.
- The blue dye was at the ________________ of the chromatography paper because ________________.