Tincture of iodine has antiseptic properties. This solution is made by dissolving :-
(a) iodine in potassium iodide
(b) iodine in vaseline
(c) iodine in water
(d) iodine in alcohol.
Answer: D
Solution: Tincture of iodine is also known as iodine tincture. It is a very weak solution of iodine in ethanol and water. It is used as an anti-septic. It was used since start of 20th century by surgeons. Hence, the correct option of this question is D