When the universal indicator was added to the water was this a physical or chemical change

It is a chemical change. the indicator reacts with the water giving a color change.

Chemical change, because its not a change in structure, just a change with mixing of chemicals.
Hope this helps~!
~{Dunsforhands}

The correct answer is d

Determine the  wavelength of light emitted when an electron  in an li2+ ion  makes a transition from an orbital with n  =  6 to an orbital with n  = 5.