Major Competitive Exams

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Q. Which of the following statements is true regarding reduction? (2020)
  • A. It involves the gain of electrons
  • B. It involves the loss of electrons
  • C. It always occurs with oxidation
  • D. Both A and C are correct
Q. Which of the following statements is true regarding RMS speed?
  • A. It is always greater than average speed.
  • B. It is always less than average speed.
  • C. It is equal to average speed.
  • D. It depends on the gas type.
Q. Which of the following statements is true regarding simple and compound interest?
  • A. Simple interest is always greater than compound interest.
  • B. Compound interest is always greater than simple interest.
  • C. Both are equal after a certain time.
  • D. None of the above.
Q. Which of the following statements is true regarding the -I effect?
  • A. It stabilizes carbocations
  • B. It destabilizes carbanions
  • C. It withdraws electron density
  • D. It donates electron density
Q. Which of the following statements is true regarding the activation energy (Ea) of a reaction?
  • A. It is always positive
  • B. It can be negative
  • C. It is independent of temperature
  • D. It is the energy of the products
Q. Which of the following statements is true regarding the activation energy?
  • A. It is always positive
  • B. It can be negative
  • C. It is independent of temperature
  • D. It is the energy of products
Q. Which of the following statements is true regarding the angles formed when two lines intersect?
  • A. Vertical angles are always supplementary
  • B. Adjacent angles are always equal
  • C. Linear pairs are always complementary
  • D. Vertical angles are always equal
Q. Which of the following statements is true regarding the Arrhenius equation? (2023)
  • A. It relates temperature to the rate constant
  • B. It is only applicable to zero-order reactions
  • C. It does not include activation energy
  • D. It is a linear equation
Q. Which of the following statements is true regarding the base-8 number system?
  • A. It uses digits 0-7
  • B. It uses digits 0-8
  • C. It is a binary system
  • D. It is a hexadecimal system
Q. Which of the following statements is true regarding the Biot-Savart Law?
  • A. It applies only to straight conductors
  • B. It can be used for any current distribution
  • C. It is only valid for AC currents
  • D. It does not consider the distance from the wire
Q. Which of the following statements is true regarding the boiling point of a liquid?
  • A. It is constant regardless of pressure.
  • B. It increases with increasing atmospheric pressure.
  • C. It decreases with increasing atmospheric pressure.
  • D. It is the same for all liquids.
Q. Which of the following statements is true regarding the boiling points of aldehydes and ketones? (2023)
  • A. Aldehydes have higher boiling points than ketones
  • B. Ketones have higher boiling points than aldehydes
  • C. Both have the same boiling points
  • D. None of the above
Q. Which of the following statements is true regarding the classification of polygons?
  • A. All quadrilaterals are polygons.
  • B. All polygons are quadrilaterals.
  • C. Only triangles and quadrilaterals are polygons.
  • D. Polygons cannot have more than four sides.
Q. Which of the following statements is true regarding the complex ion [Fe(CN)6]3-?
  • A. It is a high-spin complex
  • B. It is a low-spin complex
  • C. It has a coordination number of 4
  • D. It is paramagnetic
Q. Which of the following statements is true regarding the complex [Ag(NH3)2]+? (2023)
  • A. It is a tetrahedral complex.
  • B. It is a square planar complex.
  • C. It is a linear complex.
  • D. It is an octahedral complex.
Q. Which of the following statements is true regarding the complex [Co(NH3)6]3+?
  • A. It is tetrahedral
  • B. It is octahedral
  • C. It is square planar
  • D. It has no unpaired electrons
Q. Which of the following statements is true regarding the complex [Cr(NH3)6]3+? (2023)
  • A. It is tetrahedral
  • B. It is octahedral
  • C. It is square planar
  • D. It has a coordination number of 4
Q. Which of the following statements is true regarding the complex [Cu(NH3)4]SO4?
  • A. Cu is in +1 oxidation state
  • B. Cu is in +2 oxidation state
  • C. NH3 is a monodentate ligand
  • D. All of the above
Q. Which of the following statements is true regarding the composition of functions?
  • A. The composition of two functions is always a function.
  • B. The composition of two functions is never a function.
  • C. The composition of two functions can be a function or not, depending on the functions involved.
  • D. The composition of two functions is always linear.
Q. Which of the following statements is true regarding the data represented in the mixed graph? (2023)
  • A. The data is consistent across all variables.
  • B. There are outliers affecting the overall trend.
  • C. The data is skewed towards higher values.
  • D. All variables are equally represented.
Q. Which of the following statements is true regarding the Earth's magnetic field?
  • A. It is uniform everywhere
  • B. It has a magnetic north and south pole
  • C. It is only present at the equator
  • D. It does not affect compass needles
Q. Which of the following statements is true regarding the energy levels of molecular orbitals?
  • A. σ orbitals are always lower in energy than π orbitals.
  • B. π orbitals are always lower in energy than σ orbitals.
  • C. For second period elements, σ2p is lower than π2p.
  • D. Bonding orbitals are higher in energy than antibonding orbitals.
Q. Which of the following statements is true regarding the equilibrium constant (K) for a reaction?
  • A. K is temperature dependent
  • B. K is pressure dependent
  • C. K is concentration dependent
  • D. K is always equal to 1
Q. Which of the following statements is true regarding the equilibrium constant Kc?
  • A. Kc is temperature dependent
  • B. Kc is pressure dependent
  • C. Kc is concentration dependent
  • D. Kc is independent of the reaction
Q. Which of the following statements is true regarding the equilibrium constant? (2020)
  • A. Kc is temperature dependent
  • B. Kc is pressure dependent
  • C. Kc is concentration dependent
  • D. Kc is independent of temperature
Q. Which of the following statements is true regarding the expression (a + b) mod n?
  • A. It is always equal to (a mod n) + (b mod n)
  • B. It is always equal to (a mod n) - (b mod n)
  • C. It is always equal to (a mod n) * (b mod n)
  • D. It is always equal to (a mod n) / (b mod n)
Q. Which of the following statements is true regarding the expression 2^(x+y)?
  • A. It can be expressed as 2^x + 2^y.
  • B. It can be expressed as 2^x * 2^y.
  • C. It is always greater than 1.
  • D. It is equal to x + y.
Q. Which of the following statements is true regarding the factors of 36?
  • A. 36 has 8 factors
  • B. 36 is a prime number
  • C. All factors of 36 are even
  • D. 36 is a perfect square
Q. Which of the following statements is true regarding the first law of thermodynamics?
  • A. It applies only to closed systems.
  • B. It is a statement of conservation of energy.
  • C. It can be violated under certain conditions.
  • D. It only applies to mechanical systems.
Q. Which of the following statements is true regarding the Freundlich adsorption isotherm? (2020) 2020
  • A. It is applicable to monolayer adsorption.
  • B. It assumes a uniform surface.
  • C. It is a linear relationship.
  • D. It describes heterogeneous adsorption.
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