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Q. What is the main product of the complete combustion of ethane (C2H6)? (2023)
  • A. Carbon dioxide and water
  • B. Carbon monoxide and water
  • C. Soot and water
  • D. Hydrogen gas
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 fusion of hydrogen nuclei? (2022)
  • A. Helium
  • B. Carbon
  • C. Oxygen
  • D. Nitrogen
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 of the reaction between aluminum and hydrochloric acid? (2023)
  • A. AlCl3
  • B. H2
  • C. Al(OH)3
  • D. Al2Cl6
Q. What is the main product of the reaction between an acid and a base? (2019)
  • A. Salt
  • B. Water
  • C. Hydrogen gas
  • D. Carbon dioxide
Q. What is the main product of the reaction of 1-bromo-2-methylpropane with KOH in ethanol? (2020)
  • A. 2-methylpropene
  • B. 2-methylpropan-1-ol
  • C. 1-bromo-2-methylpropane
  • D. 2-bromo-2-methylpropane
Q. What is the main product of the thermal decomposition of ammonium dichromate? (2023)
  • A. Cr2O3
  • B. CrO3
  • C. Cr
  • D. NH3
Q. What is the main product when 1-bromobutane reacts with sodium hydroxide in ethanol? (2021)
  • A. Butanol
  • B. Butene
  • C. Sodium bromide
  • D. Butyric acid
Q. What is the main product when 1-bromopropane is treated with alcoholic KOH? (2021)
  • A. Propene
  • B. 1-propanol
  • C. 2-propanol
  • D. Bromopropane
Q. What is the main product when 1-bromopropane is treated with magnesium in dry ether? (2019)
  • A. Propane
  • B. Grignard reagent
  • C. Bromopropane
  • D. Propyl alcohol
Q. What is the main product when 1-chloropropane is treated with alcoholic KOH? (2019)
  • A. Propene
  • B. Propan-1-ol
  • C. Propan-2-ol
  • D. Chloropropane
Q. What is the main product when 1-chloropropane is treated with excess alcoholic KOH? (2020)
  • A. Propene
  • B. 1-Propanol
  • C. 2-Propanol
  • D. Chloropropane
Q. What is the main product when aluminum reacts with hydrochloric acid? (2023)
  • A. AlCl3
  • B. H2
  • C. Al(OH)3
  • D. Al2Cl6
Q. What is the main product when an amine reacts with a carbonyl compound? (2019)
  • A. Amide
  • B. Alcohol
  • C. Aldehyde
  • D. Ketone
Q. What is the main product when an amine reacts with a haloalkane? (2019)
  • A. Amide
  • B. Quaternary ammonium salt
  • C. Alcohol
  • D. Ester
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 hydrogen reacts with oxygen? (2019)
  • A. Water
  • B. Hydrogen peroxide
  • C. Ozone
  • D. Hydroxide
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 product when propan-2-one is treated with sodium borohydride? (2023)
  • A. Propan-1-ol
  • B. Propan-2-ol
  • C. Propan-3-ol
  • D. No reaction
Q. What is the main product when propanal is treated with sodium bisulfite? (2019)
  • A. Sodium propanoate
  • B. Propyl sulfonate
  • C. Propane-1,2-diol
  • D. A bisulfite adduct
Q. What is the main purpose of a choke in an AC circuit? (2022)
  • A. To increase current
  • B. To decrease current
  • C. To store energy
  • D. To convert AC to DC
Q. What is the main purpose of a Punnett square? (2020)
  • A. To determine the phenotype
  • B. To predict genetic variation
  • C. To identify alleles
  • D. To analyze pedigrees
Q. What is the main purpose of amniotic fluid? (2022)
  • A. Protection of the fetus
  • B. Nourishment of the fetus
  • C. Gas exchange
  • D. Hormonal regulation
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