Major Competitive Exams

Q. What is the effect of increasing pressure on the boiling point of a liquid?
  • A. Boiling point decreases
  • B. Boiling point increases
  • C. No effect
  • D. Boiling point becomes constant
Q. What is the effect of increasing pressure on the equilibrium of the reaction: 2N2(g) + 3H2(g) ⇌ 2NH3(g)? (2021)
  • A. Shift to the left
  • B. Shift to the right
  • C. No effect
  • D. Increase in temperature
Q. What is the effect of increasing resistance in a series RLC circuit at resonance? (2023)
  • A. Increases current
  • B. Decreases current
  • C. No effect on current
  • D. Increases voltage
Q. What is the effect of increasing temperature on a reaction with a negative ΔH and positive ΔS?
  • A. It makes ΔG more negative.
  • B. It makes ΔG less negative.
  • C. It has no effect on ΔG.
  • D. It makes ΔG positive.
Q. What is the effect of increasing temperature on a reaction with ΔH > 0 and ΔS < 0?
  • A. Increases spontaneity
  • B. Decreases spontaneity
  • C. No effect on spontaneity
  • D. Makes it spontaneous at high temperatures
Q. What is the effect of increasing temperature on an exothermic reaction at equilibrium?
  • A. Shift to the right
  • B. Shift to the left
  • C. No change
  • D. Increase the rate of reaction
Q. What is the effect of increasing temperature on chemisorption? (2022)
  • A. Increases adsorption
  • B. Decreases adsorption
  • C. No effect
  • D. Depends on the gas
Q. What is the effect of increasing temperature on physisorption?
  • A. Increases adsorption
  • B. Decreases adsorption
  • C. No effect
  • D. Depends on the adsorbate
Q. What is the effect of increasing temperature on the cell potential according to the Nernst equation?
  • A. Increases cell potential
  • B. Decreases cell potential
  • C. No effect
  • D. Depends on the reaction
Q. What is the effect of increasing temperature on the cell potential?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Depends on the reaction
Q. What is the effect of increasing temperature on the density of a gas?
  • A. Increases density
  • B. Decreases density
  • C. No effect
  • D. Depends on pressure
Q. What is the effect of increasing temperature on the density of liquids?
  • A. Density increases
  • B. Density decreases
  • C. Density remains constant
  • D. Density fluctuates randomly
Q. What is the effect of increasing temperature on the entropy of a substance?
  • A. Entropy decreases
  • B. Entropy increases
  • C. Entropy remains constant
  • D. Entropy becomes zero
Q. What is the effect of increasing temperature on the entropy of a system?
  • A. Increases entropy
  • B. Decreases entropy
  • C. No effect
  • D. Depends on the system
Q. What is the effect of increasing temperature on the equilibrium constant Kc for an endothermic reaction?
  • A. Kc increases
  • B. Kc decreases
  • C. Kc remains constant
  • D. Kc becomes zero
Q. What is the effect of increasing temperature on the equilibrium constant of an exothermic reaction?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. What is the effect of increasing temperature on the equilibrium constant of an endothermic reaction?
  • A. Increases
  • B. Decreases
  • C. No effect
  • D. Depends on the reaction
Q. What is the effect of increasing temperature on the kinetic energy of gas molecules?
  • A. Increases kinetic energy
  • B. Decreases kinetic energy
  • C. No effect
  • D. Depends on the gas
Q. What is the effect of increasing temperature on the kinetic energy of gas particles?
  • A. It decreases kinetic energy.
  • B. It has no effect.
  • C. It increases kinetic energy.
  • D. It causes phase change.
Q. What is the effect of increasing temperature on the kinetic energy of particles in a substance?
  • A. Kinetic energy decreases
  • B. Kinetic energy remains constant
  • C. Kinetic energy increases
  • D. Kinetic energy fluctuates
Q. What is the effect of increasing temperature on the kinetic energy of particles in a solid? (2023)
  • A. Decreases kinetic energy
  • B. Increases kinetic energy
  • C. No effect
  • D. Causes phase change
Q. What is the effect of increasing temperature on the pressure of a gas at constant volume?
  • A. Pressure decreases
  • B. Pressure remains constant
  • C. Pressure increases
  • D. Pressure fluctuates
Q. What is the effect of increasing temperature on the rate of a chemical reaction?
  • A. Decreases the rate
  • B. Increases the rate
  • C. No effect
  • D. Depends on the reaction
Q. What is the effect of increasing temperature on the solubility of most solid solutes in water?
  • A. Increases solubility
  • B. Decreases solubility
  • C. No effect
  • D. Depends on the solute
Q. What is the effect of increasing temperature on the speed of sound in air?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Depends on pressure
Q. What is the effect of increasing temperature on the vapor pressure of a liquid?
  • A. It decreases
  • B. It remains constant
  • C. It increases
  • D. It fluctuates
Q. What is the effect of increasing temperature on the vapor pressure of a solution?
  • A. It decreases the vapor pressure.
  • B. It increases the vapor pressure.
  • C. It has no effect.
  • D. It causes the vapor pressure to become zero.
Q. What is the effect of increasing temperature on the vapor pressure of a solvent according to Raoult's Law?
  • A. It decreases the vapor pressure.
  • B. It increases the vapor pressure.
  • C. It has no effect.
  • D. It depends on the solute.
Q. What is the effect of increasing temperature on the viscosity of a liquid?
  • A. Increases viscosity
  • B. Decreases viscosity
  • C. No effect
  • D. Depends on the liquid
Q. What is the effect of increasing temperature on the volume of a gas at constant pressure?
  • A. Volume decreases
  • B. Volume increases
  • C. Volume remains constant
  • D. Volume fluctuates
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