DIRECTIONS: Read and analyze each question then choose the letter of the correct answer. Write the LETTER of the correct answer on a separate answer sheet. 1.What colligative property is applied when preserving home jam and jelly? a) Vapor pressure lowering b) Osmotic pressure c) Freezing point depression d) Boiling-point elevation 2. Does the presence of a nonvolatile solute affect the boiling point of the solution? a) Yes b) Maybe c) No d) Unsure 3. Ethylene glycol, a common automobile antifreeze, is a water soluble and fairly nonvolatile. When you have 651 g of this substance in 2505 g of water, would you keep this substance in your car radiator during the summer? a) No, because the car radiator will prevent the solution from boiling. b) I am not sure, I’ll ask first the technician if it is possible. c) Yes indeed, because it prevents the solution in the car radiator from boiling. d) None of the above
DIRECTIONS: Read and analyze each question then choose the letter of the correct answer. Write the
LETTER of the correct answer on a separate answer sheet.
1.What colligative property is applied when preserving home jam and jelly?
a) Vapor pressure lowering
b) Osmotic pressure
c) Freezing point depression
d) Boiling-point elevation
2. Does the presence of a nonvolatile solute affect the boiling point of the solution?
a) Yes b) Maybe c) No d) Unsure
3. Ethylene glycol, a common automobile antifreeze, is a water soluble and fairly nonvolatile. When
you have 651 g of this substance in 2505 g of water, would you keep this substance in your car radiator
during the summer?
a) No, because the car radiator will prevent the solution from boiling.
b) I am not sure, I’ll ask first the technician if it is possible.
c) Yes indeed, because it prevents the solution in the car radiator from boiling.
d) None of the above
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