3) In the Benedict's test: A) a positive result is indicated by the solution turning blue B) a negative result is indica

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3) In the Benedict's test:
A) a positive result is indicated by the solution turning blue
B) a negative result is indicated by the solution turning red
C) negative result means no reducing sugars are present
D) positive result means starch is present
4) Which of the following is the storage form of glucose in the liver and muscle tissue?
A) Amylose
B) Amylopectin
C) Glycogen
D) Cellulose
5) Which blood type can accept donor blood types A, B, O, and AB?
A) A
B) B
C) O
D) AB
6) A sample of air at a pressure of 1.50 atm occupies 2.75 L at 35°C. Calculate the new pressure when the temperature is raised to 115°C and the volume is changed to 5.50 L.
A) 0.321 atm
B) 0.945 atm
C) 1.06 atm
D) 3.78 atm
7) The predominant intermolecular force between molecules of acetone is:
A) London-dispersion forces
B) ion-dipole attractions
C) hydrogen bonding
D) dipole-dipole attractions
8) Which of the following compounds will have the highestboiling point?
A) CH3CH2OH
B) NH3
C) CHCl3
D) CH4
9) In a cell wall lipid bilayer,
A) phosphate groups are facing each other
B) phosphate groups are hydrophobic
C) hydrocarbon tails are facing each other
D) hydrocarbon tails are hydrophilic
10) In which of the following solutions would increasing temperature always decrease solubility?
A) Solution of a gas in a liquid
B) Solution of a solid in a liquid
C) Solution of a liquid in a liquid
D) Solution of a solid in a solid
11) Which of these is a strong electrolyte?
A) N2
B) CH3COOH
C) HNO3
D) CO2
12) How many equivalents of SO42- are present in a solution that contains 3.15 mmol of SO42-?
A) 2.91 meq
B) 6.30 meq
C) 6.30 eq
D) 11.6 meq
13) What is the molarity of a solution formed by dissolving 15 g NaOH in water to give a final volume of 300 mL?
A) 0.0125 M
B) 0.18 M
C) 1.25 M
D) 9.0 M