Chemistry (School & UG)

Download Q&A
Q. Which of the following is a common application of FTIR spectroscopy?
  • A. Determining the concentration of salts in water
  • B. Identifying functional groups in organic compounds
  • C. Measuring the viscosity of liquids
  • D. Analyzing the particle size distribution
Q. Which of the following is a common application of hydrochloric acid?
  • A. Cleaning metal surfaces
  • B. Food preservation
  • C. Water treatment
  • D. Beverage carbonation
Q. Which of the following is a common application of hydrogen in energy production?
  • A. Batteries
  • B. Nuclear reactors
  • C. Fuel cells
  • D. Solar panels
Q. Which of the following is a common application of hydrogen in the petroleum industry?
  • A. Hydrogenation of fats
  • B. Electrolysis of water
  • C. Production of sulfuric acid
  • D. Synthesis of ammonia
Q. Which of the following is a common application of infrared (IR) spectroscopy?
  • A. Determining molecular weight
  • B. Identifying functional groups in organic compounds
  • C. Measuring pH levels
  • D. Separating gases
Q. Which of the following is a common application of IR spectroscopy in environmental science?
  • A. Measuring pH levels
  • B. Identifying pollutants in air samples
  • C. Determining molecular weight
  • D. Separating mixtures
Q. Which of the following is a common application of IR spectroscopy?
  • A. Determining the molecular weight of a compound
  • B. Identifying functional groups in organic compounds
  • C. Measuring the pH of a solution
  • D. Analyzing the particle size distribution
Q. Which of the following is a common application of sodium bicarbonate in medicine?
  • A. Antacid
  • B. Antibiotic
  • C. Analgesic
  • D. Antihistamine
Q. Which of the following is a common application of sodium bicarbonate?
  • A. Baking
  • B. Cleaning
  • C. Fire extinguishing
  • D. All of the above
Q. Which of the following is a common application of surface chemistry?
  • A. Catalysis
  • B. Pharmaceutical formulation
  • C. Environmental remediation
  • D. All of the above
Q. Which of the following is a common application of UV-Vis spectroscopy in the pharmaceutical industry?
  • A. Determining pH of solutions
  • B. Analyzing drug stability
  • C. Measuring melting points
  • D. Identifying impurities
Q. Which of the following is a common application of UV-Vis spectroscopy?
  • A. Determining molecular weight
  • B. Analyzing protein structure
  • C. Measuring pH levels
  • D. Quantifying concentrations of colored solutions
Q. Which of the following is a common electrophile used in electrophilic aromatic substitution reactions?
  • A. Bromine
  • B. Benzene
  • C. Alkane
  • D. Alkene
Q. Which of the following is a common electrophile used in the nitration of benzene?
  • A. Nitronium ion (NO2+)
  • B. Nitrate ion (NO3-)
  • C. Nitric acid (HNO3)
  • D. Ammonium ion (NH4+)
Q. Which of the following is a common error in titration?
  • A. Using a burette with a broken stopcock
  • B. Using a volumetric flask for titrant
  • C. Not swirling the flask during titration
  • D. All of the above
Q. Which of the following is a common method for detecting cations in a solution?
  • A. Spectrophotometry
  • B. Electrophoresis
  • C. Precipitation reactions
  • D. Mass spectrometry
Q. Which of the following is a common method for detecting cations in qualitative analysis?
  • A. Mass Spectrometry
  • B. Infrared Spectroscopy
  • C. Precipitation Reactions
  • D. Nuclear Magnetic Resonance
Q. Which of the following is a common method for extracting copper from its ore?
  • A. Electrolysis
  • B. Roasting
  • C. Hydrometallurgy
  • D. All of the above
Q. Which of the following is a common method for extracting silver from its ore?
  • A. Cyanidation
  • B. Electrolysis
  • C. Smelting
  • D. Hydrometallurgy
Q. Which of the following is a common method for performing a titration?
  • A. Burette method
  • B. Spectrophotometry
  • C. Chromatography
  • D. Calorimetry
Q. Which of the following is a common method to determine the endpoint of a titration?
  • A. pH meter
  • B. Conductivity meter
  • C. Visual color change
  • D. All of the above
Q. Which of the following is a common mistake in titration procedures?
  • A. Using a burette for titrant delivery
  • B. Not swirling the flask during titration
  • C. Using a calibrated pipette for the analyte
  • D. Recording the initial volume of the titrant
Q. Which of the following is a common mistake in titration?
  • A. Using a burette for titrant delivery
  • B. Not swirling the flask during titration
  • C. Using a primary standard
  • D. Recording the volume accurately
Q. Which of the following is a common reducing agent in metallurgy?
  • A. Oxygen
  • B. Carbon monoxide
  • C. Hydrogen
  • D. Nitrogen
Q. Which of the following is a common test for aldehydes?
  • A. Benedict's test
  • B. Tollens' test
  • C. Fehling's test
  • D. All of the above
Q. Which of the following is a common type of titration?
  • A. Redox titration
  • B. Gas chromatography
  • C. Mass spectrometry
  • D. Thin-layer chromatography
Q. Which of the following is a correct expression for the Gibbs free energy change (ΔG) in terms of enthalpy (ΔH) and entropy (ΔS)?
  • A. ΔG = ΔH - TΔS
  • B. ΔG = TΔS - ΔH
  • C. ΔG = ΔH + TΔS
  • D. ΔG = ΔH + ΔS
Q. Which of the following is a feature of stereoisomers?
  • A. Same molecular formula, different connectivity
  • B. Different molecular formulas
  • C. Same connectivity, different spatial arrangement
  • D. Same physical properties
Q. Which of the following is a functional group characteristic of alkynes?
  • A. -OH
  • B. -NH2
  • C. -C≡C-
  • D. -C=C-
Q. Which of the following is a functional group characteristic of phenols?
  • A. Aldehyde
  • B. Hydroxyl
  • C. Carboxylic acid
  • D. Ether
Showing 1591 to 1620 of 1878 (63 Pages)
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely