This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
[{'content': 'Superoxol is: \nSelect and explain. \nA. 30% H2O2, B. Combination of H2O2 + sodium perborate, C. Combination of HCl + H2O2, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Superoxol - 5 parts H2O2\xa0: 1 part ether\nHydrogen peroxide is a powerful oxidizer that is available in various strengths, but 30% to 35% stabilized solutions (Superoxol, Perhydrol) are the most common.\xa0\nThese high-concentration solutions must be handled with care because they are: Unstable, lose oxygen quickly, and may explode unless they are refrigerated and kept in a dark container. Also, these are caustic chemicals and will burn tissue on contact.', 'role': 'assistant'}]