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Is it a physical change or a chemical change?
In class today, we did an experiment where we input food colouring on porous paper and dipped the paper in water. As a result, the dyes that make up the food colouring were separated so that you could see all of them. For example, a dot of turquoise food colouring was a streak of blue at the top fading to yellow and then to green.
Due to this separation, was the change of food colouring a physical or chemical change?
4 Answers
- Anonymous9 years agoFavorite Answer
physical - it is a separation
the molecules are still intact
Source(s): Soc - Anonymous9 years ago
phhsical because its still water. if you burnt something like trash it would be chemiciacal
- Anonymous9 years ago
Definitely chemical change, because its not something you can unchange/seperate.