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
Composition of Sodium hypochlorite in this product is 
Select and explain. 
A. 2% w/v, B. 0.5% w/v, C. 1.5% w/v, D. 5% w/v
B: 0.5% w/v
Answer: B: 0.5% w/v 
Explanation: Constituents of Carisolv

Syringe one: sodium hypochlorite  (0.5%).
Syringe two: three amino acids (glutamic acid, leucine, lysine).
Gel substance: carboxymethylcellulose.
Sodium chloride / sodium hydroxide.
Saline solution coloring indicator (red).
Available as single mix or multi mix syringes.
New gel formulation.