Q. Ultrasonic waves are used for stirring liquid solutions because they
A) are easy to produce
B) do not produce noise during the operation
C) do not produce chemical reactions in the solution
D) can produce perfectly homogeneous solutions
✔ Correct Answer: can produce perfectly homogeneous solutions
Exam Insight
Ultrasonic waves are used for stirring liquid solutions because they generate high-frequency sound waves that create microscopic bubbles in the liquid, causing agitation and mixing.