Question

Cabbage juice turns pink in solutions with pH below 7 and green in solutions with pH above 7. You drop some cabbage juice in a sink full of soapy dishes and in a glass of soda. The cabbage juice is green in the soapy water and pink in the soda. Which substance is basic?

Answer 1

The substance that would be basic would be the soapy water. As in the question it mentions that as cabbage juice acting as an indicator turns green in solutions where the pH is above 7.