A. Methyl orange
B. Sodium hydroxide
C. Potassium chloride
D. Calcium sulfate
Answer: Methyl orange
A. Methyl orange
B. Sodium hydroxide
C. Potassium chloride
D. Calcium sulfate
Answer: Methyl orange
Additional Information: Methyl orange is a common pH indicator that changes color depending on acidity.
Subjects: Acids, Bases, and Salts, Chemistry