2010MedicalMedium
The Ethyl alcohol (Ethanol) is more effective when mixed with water and used as________?
A20 to 30 percent
B40 to 50 percent
C60 to 70 percent
D10 to 20 percent
Correct answer
C. 60 to 70 percent
Explanation
The correct answer is 60 to 70 percent.