Household bleach reacts with a solution of green food coloring to first oxidize the yellow component of the dye, leaving only the blue coloring. Eventually, the blue dye is also oxidized, and the ...

Plant-based food colors are derived from natural ingredients such as kale, carrot, and beetroot. The growing awareness of the advantages of these natural colors, along with the health risks associated ...

Students will realize that by using a combination of results from two tests, they can successfully identify an unknown liquid. Students will also add water and salt water to green food coloring on a ...

One way they can do this is to use a process called chromatography. In the activity below, you can try chromatography to separate colors in a mixture of food coloring! Place a coffee filter on a tray ...

The stripe of purple should be about 2 inches from one end. One a second paper strip, paint a thin stripe of green food coloring. Take the green food coloring straight from the container ...

An curved arrow pointing right. The wasabi served alongside your sushi is most likely horseradish and mustard dyed green — unless you're in Japan. Produced by Emma Fierberg. Original reporting ...