Yes. There is no harm in drinking water with food coloring. Food coloring is made to be consumed, whether with water, cake icing, or other foods.
Wrong
Mixing is a physical process.
because it is liquid mixing in to another liquid
chemical !!! obviously.......
Physical, the water is still water and the food coloring is still food coloring you just mixed them together in one space. If you waited long enough the food coloring and water would settle back out so you had just water and food coloring.
The food coloring stays at the bottom of the vegetable oil.
Only if it is gel or oil based food coloring. Regular food coloring will change the consistency and you may need to add margarine.
Red and blue make purple.
food coloring, oil
water food coloring and oil
with food coloring, yes lol