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': 'Composition of Sodium hypochlorite in this product is \nSelect and explain. \nA. 2% w/v, B. 0.5% w/v, C. 1.5% w/v, D. 5% w/v', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Constituents of Carisolv\n\nSyringe one: sodium hypochlorite\xa0 (0.5%).\nSyringe two: three amino acids (glutamic acid, leucine, lysine).\nGel substance: carboxymethylcellulose.\nSodium chloride / sodium hydroxide.\nSaline solution coloring indicator (red).\nAvailable as single mix or multi mix syringes.\nNew gel formulation.', 'role': 'assistant'}]