Practice Quiz

Biomedical Admissions Practice Test - Question List

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56. What molecular geometry does the molecule in this figure display?
  1. Linear
  2. Tetrahedral
  3. See-saw
  4. T-shape
  5. Bent
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57. What is the expected H-C-H bond angle in a molecule of CH4?
  1. 90 degrees
  2. 109.5 degrees
  3. 120 degrees
  4. 60 degrees
  5. 100 degrees
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58. A colloid made from a liquid dispersing medium and gas dispersed phase is called what?
  1. Aerosol
  2. Emulsion
  3. Sol
  4. Solid Foam
  5. Foam
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59. Which of the following is not true about complex ions?
  1. Complex ions are formed with a metal as the central atom
  2. The other molecules that bond to the metal are called ligands
  3. Ligands act as Lewis Acids
  4. The coordination number of a complex ion refers to the number of bonds the center atom forms
  5. All of the above are true
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60. A fixed quantity of a gas undergoes a change in temperature from 100 K to 200 K and a change in pressure from 2 atm to 1 atm. After theses changes, the volume of the gas is
  1. Half of the original volume
  2. Unchanged
  3. Twice the original volume
  4. Four times the original volume
  5. Eight times the original volume
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