This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
Savlon contains 
Select and explain. 
A. Cetrimide + Chlorhexidine, B. Cetrimide + Chlorhexidine + butyl alcohol, C. Cetrimide + butyl alcohol, D. Cetrimide + cetavlon
A: Cetrimide + Chlorhexidine
Answer: A: Cetrimide + Chlorhexidine 
Explanation: Savlon is a combination of cetavlon and hibitane. Plastic appliances can be disinfected by keeping them in normal strength savlon for 20 minutes. Savlon 1 in 6 spirit is more effective than savlon in 1 in 20 aquous solution Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 141