Question

Water is a neutral substance what colour will you get when you add few dropsof universal indicator to a test tube containing distilled water?

Answer 1

Neutral substance at room temperature have pH=7

Thus the universal indicator turns yellow-green.

Hope this helps.

Answer 2

When universal indicator is added to a solution, the color change can indicate the approximate pH of the solution. Acids cause universal indicator solution to change from green toward red. Bases cause universal indicator to change from green toward purple