GRADUATE RECORD EXAMINATION (GRE) –
CHEMISTRY EXAMINATION 2026
COMPREHENSIVE GRADUATE-LEVEL ASSESSMENT IN GENERAL
CHEMISTRY, ORGANIC CHEMISTRY, PHYSICAL CHEMISTRY, INORGANIC
CHEMISTRY, AND ANALYTICAL CHEMISTRY
SPRING SEMESTER EXAM [2025/2026]
What is the name of a solution in which the amount of solute exceeds the limit of solubility in a
given medium?
(A) saturated
(B) supersaturated
(C) dilute
(D) critical
B
Which of the following describes best why water cannot dissolve CaCO₃?
(A) Water can only form ion-dipole interactions with ionic compounds
(B) Water is composed of hydrogen and oxygen.
(C) Water is a polar molecule
1
(D) Electrostatic interactions between ions in the solid cannot be easily overcome
Page
, D
What is the mass (in grams) of glucose, C₆H₁₂O₆, that is present in 500 mL of a 0.40 M aqueous
solution? Round to 1 decimal place and do not include units.
36
What is the molarity (M) of a solution prepared with 0.150 moles of potassium hydroxide, KOH,
in 400.0 mL of solution? Round to 3 decimal places and don't include units.
0.375
If 50.0 g of methanol, CH₃OH (Molecular mass=32.04 g/mol) is dissolved in 500.0 mL of solvent,
what is the molarity (M, in mol/L) of CH₃OH in the resulting solution? Round your answer to 2
decimal places and DO NOT include units.
3.12
Calculate the mass percent by volume (% w/v, in g/100mL) of 42.6 g of glucose in 325 mL of
solution. Round your answer to 1 decimal place and DO NOT include units.
13.1
Which is not a colligative property?
(A) increase in viscosity
2
(B) osmotic pressure
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, (C) freezing point depression
(D) elevation of boiling point
A
True or False: Pure distilled water conducts electricity and, hence, is an electrolyte.
False
Which colligative property explains the use of salt (NaCL, KCl, etc.) on icy roads and walkways
during winter?
(A) boiling point elevation
(B) Lowering of vapor pressure
(C) Osmotic pressure
(D) Freezing point depression
D
If two solutions with concentrations os 2% sugar and 4% sugar are separated by a
semipermeable membrane, During osmosis, there is a net flow of...
(A) sugar molecules from the 4% to the 2% solution
(B) water molecules from the 4% to the 2% solution.
(C) water molecules from the 2% to the 4% solution.
(D) sugar molecules from the 2% to the 4% solution.
C
3
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CHEMISTRY EXAMINATION 2026
COMPREHENSIVE GRADUATE-LEVEL ASSESSMENT IN GENERAL
CHEMISTRY, ORGANIC CHEMISTRY, PHYSICAL CHEMISTRY, INORGANIC
CHEMISTRY, AND ANALYTICAL CHEMISTRY
SPRING SEMESTER EXAM [2025/2026]
What is the name of a solution in which the amount of solute exceeds the limit of solubility in a
given medium?
(A) saturated
(B) supersaturated
(C) dilute
(D) critical
B
Which of the following describes best why water cannot dissolve CaCO₃?
(A) Water can only form ion-dipole interactions with ionic compounds
(B) Water is composed of hydrogen and oxygen.
(C) Water is a polar molecule
1
(D) Electrostatic interactions between ions in the solid cannot be easily overcome
Page
, D
What is the mass (in grams) of glucose, C₆H₁₂O₆, that is present in 500 mL of a 0.40 M aqueous
solution? Round to 1 decimal place and do not include units.
36
What is the molarity (M) of a solution prepared with 0.150 moles of potassium hydroxide, KOH,
in 400.0 mL of solution? Round to 3 decimal places and don't include units.
0.375
If 50.0 g of methanol, CH₃OH (Molecular mass=32.04 g/mol) is dissolved in 500.0 mL of solvent,
what is the molarity (M, in mol/L) of CH₃OH in the resulting solution? Round your answer to 2
decimal places and DO NOT include units.
3.12
Calculate the mass percent by volume (% w/v, in g/100mL) of 42.6 g of glucose in 325 mL of
solution. Round your answer to 1 decimal place and DO NOT include units.
13.1
Which is not a colligative property?
(A) increase in viscosity
2
(B) osmotic pressure
Page
, (C) freezing point depression
(D) elevation of boiling point
A
True or False: Pure distilled water conducts electricity and, hence, is an electrolyte.
False
Which colligative property explains the use of salt (NaCL, KCl, etc.) on icy roads and walkways
during winter?
(A) boiling point elevation
(B) Lowering of vapor pressure
(C) Osmotic pressure
(D) Freezing point depression
D
If two solutions with concentrations os 2% sugar and 4% sugar are separated by a
semipermeable membrane, During osmosis, there is a net flow of...
(A) sugar molecules from the 4% to the 2% solution
(B) water molecules from the 4% to the 2% solution.
(C) water molecules from the 2% to the 4% solution.
(D) sugar molecules from the 2% to the 4% solution.
C
3
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