It first starts as yellow with only the indicator in the water, but when the magnesium is added, it turns green, then blue, and lastly purple
Universal indicator changes to green when sodium bicarbonate is added.
Universal indicator turns red when added to vinegar, indicating that the vinegar is acidic.
A neutral solution added to universal indicator will turn green.
When magnesium oxide dissolves in water and universal indicator is added, the solution may turn blue or purple. Universal indicator changes color based on the pH of the solution, and in this case, the basic nature of magnesium oxide may cause the solution to shift towards these colors.
Universal indicator changes to red/orange when hydrochloric acid is added, indicating that the solution is acidic.
Universal indicator changes to green when sodium bicarbonate is added.
Universal indicator turns red when added to vinegar, indicating that the vinegar is acidic.
A neutral solution added to universal indicator will turn green.
When magnesium oxide dissolves in water and universal indicator is added, the solution may turn blue or purple. Universal indicator changes color based on the pH of the solution, and in this case, the basic nature of magnesium oxide may cause the solution to shift towards these colors.
Copper oxide will turn blue or purple when Universal Indicator is put on it.If you found this helpful, please rate me :)
green.
red
Universal indicator changes to red/orange when hydrochloric acid is added, indicating that the solution is acidic.
When acid is added to universal indicator, the indicator will typically change to shades of red, orange, or yellow, depending on the strength of the acid.
green
When universal indicator is added to milk, it will change to a blue or purple color, indicating a basic pH level.
Universal indicator changes to a color in the green/blue range when carbonate acid is added. This indicates a basic or alkaline pH level.