Q. The rate of a reaction is directly proportional to the concentration of one reactant raised to the power of 2. What is the order of the reaction? (2022)
  • A. Zero order
  • B. First order
  • C. Second order
  • D. Third order
Q. The rate of a reaction is directly proportional to the product of the concentrations of the reactants raised to their respective powers. This statement defines:
  • A. Rate law
  • B. Equilibrium constant
  • C. Reaction quotient
  • D. Catalytic efficiency
Q. The rate of a reaction is directly proportional to the product of the concentrations of the reactants raised to their respective powers. This statement defines which law?
  • A. Law of conservation of mass
  • B. Rate law
  • C. Le Chatelier's principle
  • D. Gibbs free energy
Q. The rate of a reaction is given by the equation rate = k[A]^2[B]. What is the overall order of the reaction? (2020)
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. The restoring force in a simple harmonic oscillator is directly proportional to what? (2022)
  • A. Displacement
  • B. Velocity
  • C. Acceleration
  • D. Mass
Q. The restoring force in simple harmonic motion is directly proportional to what? (2022)
  • A. Displacement
  • B. Velocity
  • C. Acceleration
  • D. Mass
Q. The restoring force in simple harmonic motion is directly proportional to: (2023)
  • A. Displacement
  • B. Velocity
  • C. Acceleration
  • D. Mass
Q. The scientific study of classification is known as: (2022)
  • A. Taxonomy
  • B. Morphology
  • C. Anatomy
  • D. Ecology
Q. The self-inductance of a coil depends on which of the following factors? (2021)
  • A. Number of turns
  • B. Area of cross-section
  • C. Length of the coil
  • D. All of the above
Q. The specific heat capacity of a substance is defined as the amount of heat required to raise the temperature of: (2023)
  • A. 1 kg of the substance by 1°C
  • B. 1 g of the substance by 1°C
  • C. 1 L of the substance by 1°C
  • D. 1 mole of the substance by 1°C
Q. The specific heat capacity of a substance is defined as: (2023)
  • A. The amount of heat required to raise the temperature by 1 degree Celsius
  • B. The amount of heat required to change the phase of a substance
  • C. The heat required to raise the temperature of 1 kg of the substance by 1 degree Celsius
  • D. The heat required to raise the temperature of 1 mole of the substance by 1 degree Celsius
Q. The term 'adsorption' refers to: (2022)
  • A. The process of a substance being taken up by a liquid.
  • B. The accumulation of molecules on a surface.
  • C. The mixing of two liquids.
  • D. The dissolution of a solid in a liquid.
Q. The term 'binomial nomenclature' refers to: (2019)
  • A. The two-part naming system for species
  • B. The classification of organisms
  • C. The study of animal behavior
  • D. The grouping of organisms based on habitat
Q. The theory that explains the gradual change in species over time is known as? (1972)
  • A. Punctuated equilibrium
  • B. Gradualism
  • C. Catastrophism
  • D. Uniformitarianism
Q. The theory that organisms can pass on traits acquired during their lifetime is known as?
  • A. Natural Selection
  • B. Lamarckism
  • C. Mendelian Genetics
  • D. Darwinism
Q. The uncertainty in a measurement is defined as: (2022)
  • A. The difference between the maximum and minimum values
  • B. The average of the measurements
  • C. The standard deviation
  • D. The range of values
Q. The uncertainty principle is associated with which of the following scientists? (2023)
  • A. Bohr
  • B. Heisenberg
  • C. Schrodinger
  • D. Planck
Q. The unit 'Joule' is a measure of which of the following? (2023)
  • A. Force
  • B. Energy
  • C. Power
  • D. Work
Q. The unit cell of a diamond structure is best described as which of the following? (2020)
  • A. Simple cubic
  • B. Face-centered cubic
  • C. Body-centered cubic
  • D. Hexagonal
Q. The unit of force in the SI system is derived from which of the following? (2023)
  • A. Mass and length
  • B. Mass, length, and time
  • C. Length and time
  • D. Mass and time
Q. The unit of force in the SI system is: (2023)
  • A. Joule
  • B. Newton
  • C. Pascal
  • D. Watt
Q. The unit of power in the SI system is defined as: (2023)
  • A. Joule per second
  • B. Newton per meter
  • C. Watt per hour
  • D. Kilogram meter per second
Q. The unit of power in the SI system is: (2023)
  • A. Joule
  • B. Watt
  • C. Newton
  • D. Pascal
Q. The unit of power is defined as: (2023)
  • A. Joule per second
  • B. Newton per meter
  • C. Watt per hour
  • D. Kilowatt
Q. The unit of work is defined as one joule. What is one joule equivalent to? (2023)
  • A. One newton meter
  • B. One kilogram meter per second
  • C. One watt second
  • D. One pascal meter
Q. The viscosity of a fluid is a measure of its: (2022)
  • A. Density
  • B. Pressure
  • C. Resistance to flow
  • D. Temperature
Q. The work done by an ideal gas during an isothermal expansion is given by which formula? (2023)
  • A. W = PΔV
  • B. W = nRT ln(Vf/Vi)
  • C. W = ΔU
  • D. W = 0
Q. Two capacitors of capacitance 2μF and 3μF are connected in series. What is the equivalent capacitance? (2019)
  • A. 1.2μF
  • B. 1.5μF
  • C. 0.86μF
  • D. 5μF
Q. Two identical charges are placed 1 m apart. If the distance is reduced to 0.5 m, how does the force between them change? (2022)
  • A. It doubles
  • B. It remains the same
  • C. It quadruples
  • D. It halves
Q. Two identical charges are placed 1 m apart. If the magnitude of each charge is doubled, what happens to the force between them? (2022)
  • A. It remains the same
  • B. It doubles
  • C. It quadruples
  • D. It halves
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