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?

Select one of the options below as your answer:



A.
the soda




B.
the soapy water




C.
not enough information to tell