32) home and garden ph indicators beets very basic solution changes from red to purple. blueberries blue ph 2.8-3.2. turn red as solution becomes more acidic. cherries red in acidic solution; turns blue/purple in basic solution. curry powder curry's pigment curcumin changes from yellow at ph 7.4 to red at ph 8.6. beet juice is added to a unknown solution and changes color from red to purple. curry powder, added to the same solution, turns a deep red color. what can you tell about the hydrogen/hydroxide ion concentration of the unknown liquid?