Q. Which of the following amines is the most basic?
  • A. Methylamine
  • B. Ethylamine
  • C. Aniline
  • D. Dimethylamine
Q. Which of the following amino acids contains a sulfur atom?
  • A. Cysteine
  • B. Serine
  • C. Glutamine
  • D. Alanine
Q. Which of the following amino acids is essential in the human diet?
  • A. Glycine
  • B. Alanine
  • C. Lysine
  • D. Serine
Q. Which of the following assumptions is NOT part of the kinetic theory of gases?
  • A. Gas molecules are in constant random motion
  • B. Gas molecules have negligible volume compared to the container
  • C. Gas molecules experience intermolecular forces
  • D. Collisions between gas molecules are perfectly elastic
Q. Which of the following best describes plasma?
  • A. A solid with high density
  • B. A gas with low density
  • C. An ionized gas
  • D. A liquid at high temperature
Q. Which of the following best describes the arrangement of particles in a gas?
  • A. Tightly packed in a fixed position
  • B. Close together but can move past each other
  • C. Far apart and moving freely
  • D. Randomly arranged in a fixed structure
Q. Which of the following best describes the arrangement of particles in a solid?
  • A. Random and far apart
  • B. Close together and fixed in place
  • C. Close together but free to move
  • D. Random and close together
Q. Which of the following best describes the effect of a larger slit width on the diffraction pattern?
  • A. More pronounced diffraction
  • B. Less pronounced diffraction
  • C. No diffraction
  • D. Increased number of fringes
Q. Which of the following best describes the term 'angular width' of a diffraction maximum?
  • A. The distance between two adjacent maxima
  • B. The angle subtended by the maximum at the source
  • C. The width of the maximum on a screen
  • D. The angle between the first minimum and the central maximum
Q. Which of the following best describes the term 'elastic limit'?
  • A. Maximum stress a material can withstand
  • B. Point of permanent deformation
  • C. Point of maximum strain
  • D. Point of fracture
Q. Which of the following best describes the term 'shear modulus'?
  • A. Ratio of shear stress to shear strain
  • B. Ratio of tensile stress to tensile strain
  • C. Ratio of compressive stress to compressive strain
  • D. Ratio of bulk stress to bulk strain
Q. Which of the following biomolecules is primarily responsible for storing genetic information?
  • A. Proteins
  • B. Lipids
  • C. Carbohydrates
  • D. Nucleic acids
Q. Which of the following bonds is the strongest?
  • A. Single bond
  • B. Double bond
  • C. Triple bond
  • D. All are equal
Q. Which of the following carbohydrates is a disaccharide?
  • A. Maltose
  • B. Ribose
  • C. Cellulose
  • D. Glycogen
Q. Which of the following carbohydrates is a ketose?
  • A. Glucose
  • B. Fructose
  • C. Galactose
  • D. Mannose
Q. Which of the following carbohydrates is a reducing sugar?
  • A. Fructose
  • B. Sucrose
  • C. Maltose
  • D. Cellulose
Q. Which of the following carbohydrates is not digestible by humans?
  • A. Starch
  • B. Glycogen
  • C. Cellulose
  • D. Maltose
Q. Which of the following carboxylic acids is a dicarboxylic acid?
  • A. Acetic acid
  • B. Oxalic acid
  • C. Formic acid
  • D. Butanoic acid
Q. Which of the following carboxylic acids is a solid at room temperature?
  • A. Acetic acid
  • B. Formic acid
  • C. Stearic acid
  • D. Propanoic acid
Q. Which of the following changes will increase the yield of products in an exothermic reaction at equilibrium?
  • A. Increase the temperature
  • B. Decrease the pressure
  • C. Increase the concentration of reactants
  • D. Add a catalyst
Q. Which of the following changes will NOT affect the position of equilibrium for the reaction: 2SO2(g) + O2(g) ⇌ 2SO3(g)?
  • A. Increasing the concentration of SO2
  • B. Decreasing the temperature
  • C. Adding a catalyst
  • D. Increasing the volume of the container
Q. Which of the following changes will NOT affect the position of equilibrium in a closed system?
  • A. Adding a catalyst
  • B. Changing the concentration of reactants
  • C. Changing the pressure
  • D. Changing the temperature
Q. Which of the following changes will NOT affect the position of equilibrium?
  • A. Adding a catalyst
  • B. Changing the concentration of reactants
  • C. Changing the temperature
  • D. Changing the pressure
Q. Which of the following changes will shift the equilibrium to the right for the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g)?
  • A. Increase in pressure
  • B. Decrease in temperature
  • C. Increase in volume
  • D. Addition of NH3
Q. Which of the following colligative properties is affected by the number of solute particles in a solution?
  • A. Vapor pressure lowering
  • B. Density
  • C. Color
  • D. Viscosity
Q. Which of the following colligative properties is used to determine molar mass?
  • A. Boiling point elevation
  • B. Freezing point depression
  • C. Osmotic pressure
  • D. All of the above
Q. Which of the following colligative properties is used to determine the molar mass of a solute?
  • A. Vapor pressure lowering
  • B. Boiling point elevation
  • C. Freezing point depression
  • D. Osmotic pressure
Q. Which of the following colors of light has the shortest wavelength?
  • A. Red
  • B. Green
  • C. Blue
  • D. Violet
Q. Which of the following complexes exhibits geometrical isomerism?
  • A. [Co(NH3)3Cl3]
  • B. [Ni(CN)4]2-
  • C. [CuCl4]2-
  • D. [Fe(CO)6]
Q. Which of the following complexes exhibits optical isomerism?
  • A. [Cr(en)3]3+
  • B. [Co(NH3)6]3+
  • C. [NiCl2(H2O)4]
  • D. [CuCl2]
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