

MCQOPTIONS
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1. |
Which of the following is true about Sound Ultrasound? |
A. | generates mechanical energy to enhance chemical action on surfaces |
B. | scrubbing action loosens the dirt particles and cleans the food particle |
C. | generates mechanical energy to enhance chemical action on surfaces & scrubbing action loosens the dirt particles and cleans the food particle |
D. | none of the mentioned |
Answer» D. none of the mentioned | |