Physical Chemistry

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Q. Which of the following is a characteristic of chemisorption?
  • A. Reversible process
  • B. Low heat of adsorption
  • C. Specificity to adsorbate
  • D. Occurs at low temperatures
Q. Which of the following is a characteristic of non-Newtonian fluids?
  • A. Constant viscosity
  • B. Viscosity changes with shear rate
  • C. Incompressible
  • D. High surface tension
Q. Which of the following is a characteristic of solids?
  • A. They can flow
  • B. They have a definite shape
  • C. They are compressible
  • D. They have high kinetic energy
Q. Which of the following is a colligative property?
  • A. Boiling point elevation
  • B. Density
  • C. Viscosity
  • D. Color
Q. Which of the following is a common application of adsorption?
  • A. Catalysis
  • B. Separation of gases
  • C. Water purification
  • D. All of the above
Q. Which of the following is a common method to measure the surface area of adsorbents?
  • A. TGA
  • B. BET method
  • C. XRD
  • D. FTIR
Q. Which of the following is a common method to measure the surface area of an adsorbent?
  • A. TGA
  • B. BET method
  • C. XRD
  • D. FTIR
Q. Which of the following is a common oxidizing agent?
  • A. H2O2
  • B. NaCl
  • C. CH4
  • D. C6H12O6
Q. Which of the following is a consequence of Raoult's Law in a binary solution?
  • A. The total vapor pressure is the sum of the partial pressures.
  • B. The total vapor pressure is always lower than the vapor pressure of the pure solvent.
  • C. The mole fraction of the solute is always greater than that of the solvent.
  • D. The boiling point of the solution is always higher than that of the pure solvent.
Q. Which of the following is a correct application of Raoult's Law?
  • A. Calculating the boiling point elevation
  • B. Determining the freezing point depression
  • C. Finding the vapor pressure of a solution
  • D. Measuring the solubility of a gas in a liquid
Q. Which of the following is a correct expression for Gibbs Free Energy?
  • A. ΔG = ΔH + TΔS
  • B. ΔG = ΔH - TΔS
  • C. ΔG = TΔS - ΔH
  • D. ΔG = ΔS - ΔH
Q. Which of the following is a correct statement about the law of conservation of mass?
  • A. Mass can be created
  • B. Mass can be destroyed
  • C. Mass is conserved in a chemical reaction
  • D. Mass changes in a physical change
Q. Which of the following is a correct unit for concentration?
  • A. Molarity
  • B. Molality
  • C. Mass percent
  • D. All of the above
Q. Which of the following is a correct unit for Gibbs Free Energy?
  • A. Joules per mole (J/mol)
  • B. Kilojoules (kJ)
  • C. Calories (cal)
  • D. All of the above
Q. Which of the following is a correct unit for molality?
  • A. mol/L
  • B. mol/kg
  • C. mol/mL
  • D. mol/1000g
Q. Which of the following is a limitation of Raoult's Law?
  • A. It applies to all solutions.
  • B. It is valid for ideal solutions only.
  • C. It does not consider temperature effects.
  • D. It is applicable to non-volatile solutes only.
Q. Which of the following is a primary cell?
  • A. Lead-acid battery
  • B. Nickel-cadmium battery
  • C. Zinc-carbon battery
  • D. Lithium-ion battery
Q. Which of the following is a property of metals?
  • A. Brittle
  • B. Good conductors of heat
  • C. Poor conductors of electricity
  • D. Dull appearance
Q. Which of the following is a reducing agent in the reaction 2CuO + C → 2Cu + CO2?
  • A. CuO
  • B. C
  • C. Cu
  • D. CO2
Q. Which of the following is a state function?
  • A. Work
  • B. Heat
  • C. Enthalpy
  • D. All of the above
Q. Which of the following is a strong acid?
  • A. HCl
  • B. CH3COOH
  • C. H2CO3
  • D. NH3
Q. Which of the following is a strong base?
  • A. NH4OH
  • B. NaOH
  • C. CH3COONa
  • D. K2CO3
Q. Which of the following is a unit of concentration that expresses the amount of solute per volume of solution?
  • A. Molarity
  • B. Molality
  • C. Mole fraction
  • D. Normality
Q. Which of the following is a unit of enthalpy?
  • A. Joules
  • B. Calories
  • C. Kilojoules
  • D. All of the above
Q. Which of the following is a unit of pressure?
  • A. Pascal
  • B. Joule
  • C. Coulomb
  • D. Liter
Q. Which of the following is an example of a chemical change?
  • A. Melting ice
  • B. Boiling water
  • C. Baking a cake
  • D. Dissolving salt in water
Q. Which of the following is an example of a crystalline solid?
  • A. Sugar
  • B. Glass
  • C. Rubber
  • D. Plastic
Q. Which of the following is an example of a disproportionation reaction?
  • A. 2H2O2 → 2H2O + O2
  • B. Zn + CuSO4 → ZnSO4 + Cu
  • C. 2Na + Cl2 → 2NaCl
  • D. C + O2 → CO2
Q. Which of the following is an example of a physical adsorption?
  • A. Adsorption of O2 on activated charcoal
  • B. Adsorption of H2 on palladium
  • C. Adsorption of NH3 on silica gel
  • D. Adsorption of CO on metals
Q. Which of the following is an example of a physical change related to states of matter?
  • A. Burning wood
  • B. Dissolving sugar in water
  • C. Rusting of iron
  • D. Cooking an egg
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