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Home Q & A Board Biology-Related Homework Help Medicine Medical Administration
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tutubella tutubella
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6 years ago
According to the Systme International d'Units, surface tension is measured in:
 
  a. cc3. c. lb/cc3.
  b. lb/in2. d. dyne/cm.


Q. 2  Which substance has the lowest surface tension?
 
  a. Water at 20 C c. Blood at 37 C
  b. Water at 37 C d. Ethyl alcohol at 20 C


Q. 3  The surface tension of a liquid:
 
  a. does not vary with temperature. c. increases as tem-perature decreases.
  b. increases as tem-perature increases. d. decreases as tem-perature increases.


Q. 4  Surface tension is present in a container with which of the following?
 
  a. Oxygen and hy-drogen c. Water and chlorine
  b. Water and mercury d. Water and salt


Q. 5  Forces at the molecular interface between oil and water are known as _____ forces.
 
  a. van der Waals c. Cohesive
  b. Hydrostatic d. Adhesive
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megantttmeganttt
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6 years ago
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