Chemistry

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Q. What type of polymer is rubber classified as? (2019)
  • A. Thermoplastic
  • B. Thermosetting
  • C. Elastomer
  • D. Composite
Q. What type of reaction forms a disaccharide from two monosaccharides? (2022)
  • A. Hydrolysis
  • B. Condensation
  • C. Oxidation
  • D. Reduction
Q. What type of reaction occurs when 1-bromopropane reacts with sodium cyanide? (2023)
  • A. Elimination
  • B. Substitution
  • C. Addition
  • D. Redox
Q. What type of reaction occurs when 1-bromopropane reacts with sodium ethoxide? (2023)
  • A. Elimination
  • B. Nucleophilic substitution
  • C. Addition
  • D. Oxidation
Q. What type of reaction occurs when 1-chlorobutane is treated with aqueous KOH? (2023)
  • A. Elimination
  • B. Substitution
  • C. Addition
  • D. Redox
Q. What type of reaction occurs when 1-chloropropane is treated with aqueous KOH? (2019)
  • A. Nucleophilic substitution
  • B. Elimination
  • C. Addition
  • D. Redox
Q. What type of reaction occurs when 1-chloropropane reacts with aqueous KOH? (2023)
  • A. Elimination
  • B. Substitution
  • C. Addition
  • D. Redox
Q. What type of reaction occurs when 1-chloropropane reacts with potassium cyanide? (2019)
  • A. Nucleophilic substitution
  • B. Electrophilic substitution
  • C. Addition reaction
  • D. Elimination reaction
Q. What type of reaction occurs when 1-chloropropane reacts with sodium cyanide? (2023)
  • A. Elimination
  • B. Nucleophilic substitution
  • C. Addition
  • D. Redox
Q. What type of reaction occurs when 1-chloropropane reacts with sodium iodide in acetone? (2023)
  • A. Elimination
  • B. Nucleophilic substitution
  • C. Addition
  • D. Redox
Q. What type of reaction occurs when 2-bromopropane is treated with aqueous KOH? (2023)
  • A. Elimination
  • B. Substitution
  • C. Addition
  • D. Redox
Q. What type of reaction occurs when an alcohol is oxidized? (2023)
  • A. Reduction
  • B. Dehydration
  • C. Substitution
  • D. Oxidation
Q. What type of reaction occurs when chlorobenzene is treated with magnesium in dry ether? (2019)
  • A. Grignard reaction
  • B. Nucleophilic substitution
  • C. Electrophilic substitution
  • D. Reduction reaction
Q. What type of reaction occurs when phenol reacts with bromine? (2023)
  • A. Electrophilic substitution
  • B. Nucleophilic substitution
  • C. Addition
  • D. Elimination
Q. What type of solid is diamond classified as? (2022)
  • A. Metallic solid
  • B. Ionic solid
  • C. Covalent network solid
  • D. Molecular solid
Q. Which alkali metal is known for its vigorous reaction with water? (2022)
  • A. Lithium
  • B. Sodium
  • C. Potassium
  • D. Rubidium
Q. Which alkaline earth metal has the highest melting point? (2022)
  • A. Beryllium
  • B. Magnesium
  • C. Calcium
  • D. Barium
Q. Which alkaline earth metal is known for its use in the production of lightweight alloys? (2023)
  • A. Calcium
  • B. Barium
  • C. Magnesium
  • D. Strontium
Q. Which alkaline earth metal is used in fireworks for its bright flame? (2021)
  • A. Barium
  • B. Calcium
  • C. Strontium
  • D. Magnesium
Q. Which alkaline earth metal is used in fireworks for producing a bright red flame? (2023)
  • A. Strontium
  • B. Calcium
  • C. Barium
  • D. Magnesium
Q. Which alkaline earth metal is used in fireworks for producing a bright white light? (2023)
  • A. Barium
  • B. Calcium
  • C. Strontium
  • D. Magnesium
Q. Which amine is derived from an aromatic compound? (2023)
  • A. Aniline
  • B. Ethylamine
  • C. Methylamine
  • D. Propylamine
Q. Which carboxylic acid is found in citrus fruits? (2023)
  • A. Acetic acid
  • B. Citric acid
  • C. Lactic acid
  • D. Formic acid
Q. Which carboxylic acid is known for its role in the Krebs cycle? (2019)
  • A. Citric acid
  • B. Acetic acid
  • C. Lactic acid
  • D. Formic acid
Q. Which carboxylic acid is known for its use in the food industry as a preservative? (2023)
  • A. Citric acid
  • B. Acetic acid
  • C. Lactic acid
  • D. Formic acid
Q. Which carboxylic acid is known for its use in the production of biodiesel? (2023)
  • A. Palmitic acid
  • B. Stearic acid
  • C. Oleic acid
  • D. Linoleic acid
Q. Which carboxylic acid is known for its use in the production of nylon? (2019)
  • A. Adipic acid
  • B. Citric acid
  • C. Lactic acid
  • D. Acetic acid
Q. Which carboxylic acid is responsible for the sour taste in citrus fruits? (2020)
  • A. Citric acid
  • B. Acetic acid
  • C. Lactic acid
  • D. Formic acid
Q. Which carboxylic acid is responsible for the sour taste in sour milk? (2020)
  • A. Lactic acid
  • B. Acetic acid
  • C. Citric acid
  • D. Formic acid
Q. Which carboxylic acid is used in the production of nylon? (2023)
  • A. Hexanoic acid
  • B. Adipic acid
  • C. Citric acid
  • D. Acetic acid
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