question: What changes the color of litmus paper from blue to red?
choices.text: lemon juice a basic solution Ionization toxins detrimental electrochemicals air bleach
choices.label: A B C D E F G H
formatted_question: What changes the color of litmus paper from blue to red? (A) lemon juice (B) a basic solution (C) Ionization (D) toxins (E) detrimental (F) electrochemicals (G) air (H) bleach