Undergraduate

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Q. What is the molality of a solution containing 3 moles of solute in 1 kg of solvent? (2022)
  • A. 3 m
  • B. 1.5 m
  • C. 0.5 m
  • D. 2 m
Q. What is the molality of a solution containing 3 moles of solute in 500 g of solvent? (2021)
  • A. 6 m
  • B. 3 m
  • C. 1.5 m
  • D. 0.5 m
Q. What is the molality of a solution made by dissolving 10 moles of solute in 5 kg of solvent? (2022)
  • A. 2 m
  • B. 1 m
  • C. 0.5 m
  • D. 3 m
Q. What is the molar mass of water (H2O)? (2023) 2023
  • A. 16 g/mol
  • B. 18 g/mol
  • C. 20 g/mol
  • D. 22 g/mol
Q. What is the molarity of a solution containing 5 moles of solute in 2 liters of solution? (2021) 2021
  • A. 2.5 M
  • B. 5 M
  • C. 10 M
  • D. 1 M
Q. What is the molarity of a solution containing 58.5 g of NaCl in 1 liter of solution? (2021)
  • A. 1 M
  • B. 0.5 M
  • C. 2 M
  • D. 0.1 M
Q. What is the molarity of a solution prepared by dissolving 5 grams of NaCl in enough water to make 250 mL of solution? (Molar mass of NaCl = 58.5 g/mol) (2023)
  • A. 0.34 M
  • B. 0.42 M
  • C. 0.25 M
  • D. 0.50 M
Q. What is the molecular formula of Benzoic acid?
  • A. C6H5COOH
  • B. C7H6O2
  • C. C6H6O
  • D. C6H4O2
Q. What is the molecular formula of butan-2-one?
  • A. C4H8O
  • B. C4H10O
  • C. C4H6O
  • D. C4H12O
Q. What is the molecular formula of butanoic acid?
  • A. C3H6O2
  • B. C4H8O2
  • C. C5H10O2
  • D. C6H12O2
Q. What is the molecular formula of cyclohexane? (2022)
  • A. C6H12
  • B. C6H10
  • C. C6H14
  • D. C6H6
Q. What is the molecular formula of ethyne? (2022)
  • A. C2H2
  • B. C2H4
  • C. C2H6
  • D. C3H4
Q. What is the molecular formula of formaldehyde?
  • A. C2H4O
  • B. CH2O
  • C. C3H6O
  • D. C4H8O
Q. What is the molecular formula of glucose? (2022)
  • A. C6H12O6
  • B. C5H10O5
  • C. C6H10O5
  • D. C6H14O6
Q. What is the molecular formula of glucose? (2022) 2022
  • A. C6H12O6
  • B. C5H10O5
  • C. C6H10O5
  • D. C6H14O6
Q. What is the molecular formula of the simplest alkyne? (2022)
  • A. C2H2
  • B. C2H4
  • C. C3H4
  • D. C3H6
Q. What is the momentum of a 3 kg object moving at a velocity of 4 m/s? (2017)
  • A. 12 kg·m/s
  • B. 7 kg·m/s
  • C. 15 kg·m/s
  • D. 10 kg·m/s
Q. What is the monomer of nucleic acids? (2023)
  • A. Amino acid
  • B. Nucleotide
  • C. Monosaccharide
  • D. Fatty acid
Q. What is the monomer of polyethylene?
  • A. Ethylene
  • B. Propylene
  • C. Butylene
  • D. Styrene
Q. What is the monomer of polystyrene?
  • A. Ethylene
  • B. Styrene
  • C. Propylene
  • D. Vinyl chloride
Q. What is the nature of the image formed by a concave mirror when the object is placed between the focal point and the mirror? (2021)
  • A. Real and inverted
  • B. Virtual and erect
  • C. Real and erect
  • D. Virtual and inverted
Q. What is the nature of the image formed by a convex lens when the object is placed beyond the 2F point? (2019)
  • A. Real and inverted
  • B. Virtual and erect
  • C. Real and erect
  • D. Virtual and inverted
Q. What is the nature of the roots of the equation x² + 2x + 5 = 0? (2023)
  • A. Real and distinct
  • B. Real and equal
  • C. Complex
  • D. None of the above
Q. What is the Nernst equation for a cell at 298 K with E° = 0.77 V and [Zn²⁺] = 0.01 M?
  • A. E = 0.77 - 0.0591 log(0.01)
  • B. E = 0.77 + 0.0591 log(0.01)
  • C. E = 0.77 - 0.0591 log(100)
  • D. E = 0.77 + 0.0591 log(100)
Q. What is the Nernst equation used for calculating the cell potential at non-standard conditions? (2023)
  • A. E = E° - (RT/nF)lnQ
  • B. E = E° + (RT/nF)lnQ
  • C. E = E° - (nF/RT)lnQ
  • D. E = E° + (nF/RT)lnQ
Q. What is the Nernst equation used for? (2023) 2023
  • A. Calculating pH
  • B. Determining cell potential
  • C. Measuring current
  • D. Finding resistance
Q. What is the net force acting on a 12 kg object moving with a constant velocity? (2023)
  • A. 0 N
  • B. 12 N
  • C. 24 N
  • D. 36 N
Q. What is the net force acting on a 15 kg object moving with a constant velocity? (2021)
  • A. 0 N
  • B. 15 N
  • C. 30 N
  • D. 45 N
Q. What is the net force acting on a 15 kg object that is accelerating at 4 m/s²? (2020)
  • A. 60 N
  • B. 30 N
  • C. 45 N
  • D. 75 N
Q. What is the net gain of ATP from one molecule of glucose during aerobic respiration? (2023)
  • A. 2 ATP
  • B. 30-32 ATP
  • C. 36 ATP
  • D. 38 ATP
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