Chemistry

Q. What is the Ksp of AgCl if the solubility of AgCl in water is 1.33 x 10^-5 M? (2023)
  • A. 1.78 x 10^-10
  • B. 1.33 x 10^-5
  • C. 1.33 x 10^-10
  • D. 1.78 x 10^-5
Q. What is the main characteristic of elastomers?
  • A. Brittle
  • B. Elastic
  • C. Rigid
  • D. Transparent
Q. What is the main component of natural rubber?
  • A. Polyisoprene
  • B. Polystyrene
  • C. Polyethylene
  • D. Polyvinyl acetate
Q. What is the main function of lipids in the body?
  • A. Energy storage
  • B. Genetic information
  • C. Structural support
  • D. Transport
Q. What is the main product of the combustion of hydrocarbons? (2023) 2023
  • A. Oxygen
  • B. Water
  • C. Carbon Dioxide
  • D. Nitrogen
Q. What is the main product of the complete combustion of methane? (2023)
  • A. Carbon dioxide and water
  • B. Carbon monoxide and water
  • C. Carbon and hydrogen
  • D. Oxygen and water
Q. What is the main product of the oxidation of ethanol?
  • A. Acetic acid
  • B. Formic acid
  • C. Butanoic acid
  • D. Propanoic acid
Q. What is the main product when an amine reacts with an acyl chloride?
  • A. Amide
  • B. Ester
  • C. Alcohol
  • D. Aldehyde
Q. What is the main product when an amine reacts with an alkyl halide?
  • A. Amide
  • B. Quaternary ammonium salt
  • C. Alcohol
  • D. Ester
Q. What is the main product when ethene reacts with bromine?
  • A. Bromethane
  • B. 1,2-Dibromoethane
  • C. Ethane
  • D. Bromoethane
Q. What is the main product when ethene reacts with hydrogen in the presence of a catalyst?
  • A. Ethane
  • B. Ethanol
  • C. Ethyl chloride
  • D. Acetylene
Q. What is the main product when phenol is treated with bromine?
  • A. Bromobenzene
  • B. Bromophenol
  • C. Benzene
  • D. Bromobutane
Q. What is the main product when phenol reacts with bromine? (2019)
  • A. Bromobenzene
  • B. Bromophenol
  • C. Benzene
  • D. No reaction
Q. What is the main product when phenol reacts with sodium hydroxide?
  • A. Sodium phenoxide
  • B. Sodium benzoate
  • C. Benzene
  • D. Phenyl acetate
Q. What is the main product when propan-2-one is treated with iodine in the presence of a base?
  • A. Iodoform
  • B. Acetone
  • C. Bromoform
  • D. Chloroform
Q. What is the main type of reaction that haloalkanes undergo? (2020)
  • A. Addition
  • B. Substitution
  • C. Elimination
  • D. Redox
Q. What is the main use of citric acid?
  • A. Preservative
  • B. Flavoring agent
  • C. Cleaning agent
  • D. All of the above
Q. What is the major product when 2-bromobutane is treated with KOH in ethanol?
  • A. But-1-ene
  • B. But-2-ene
  • C. Butane
  • D. No reaction
Q. What is the mass of 3 moles of NaCl? (2020) 2020
  • A. 87 g
  • B. 58.5 g
  • C. 174 g
  • D. 3 g
Q. What is the mass of 3 moles of sodium chloride (NaCl)? (2023)
  • A. 58.5 g
  • B. 117 g
  • C. 175.5 g
  • D. 29.25 g
Q. What is the mass of NaOH required to prepare 0.5 L of a 1 M solution? (2023)
  • A. 20 g
  • B. 40 g
  • C. 10 g
  • D. 30 g
Q. What is the mass of solute in grams in a 3 M solution of NaCl in 1 L of solution? (2023)
  • A. 58.44 g
  • B. 174.32 g
  • C. 29.22 g
  • D. 87.16 g
Q. What is the mass of solute in grams required to make 1 L of a 0.1 M solution of NaCl? (Molar mass of NaCl = 58.5 g/mol) (2021)
  • A. 5.85 g
  • B. 10 g
  • C. 1 g
  • D. 2 g
Q. What is the mass of solute in grams required to make 1 L of a 0.5 M NaOH solution? (2021)
  • A. 20 g
  • B. 40 g
  • C. 10 g
  • D. 30 g
Q. What is the maximum number of electrons in the d subshell? (2022) 2022
  • A. 2
  • B. 6
  • C. 10
  • D. 14
Q. What is the maximum number of electrons in the f-subshell? (2022)
  • A. 6
  • B. 10
  • C. 14
  • D. 18
Q. What is the maximum number of electrons that can occupy the n=3 shell? (2021) 2021
  • A. 2
  • B. 8
  • C. 18
  • D. 32
Q. What is the maximum number of electrons that can occupy the n=3 shell? (2022) 2022
  • A. 2
  • B. 8
  • C. 18
  • D. 32
Q. What is the maximum oxidation state of phosphorus in its compounds? (2021)
  • A. +3
  • B. +5
  • C. +7
  • D. +1
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
Showing 181 to 210 of 533 (18 Pages)
Soulshift Feedback ×

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

Not likely Very likely