Chemistry

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Q. What type of bond is primarily found in organic compounds? (2023)
  • A. Ionic bonds
  • B. Covalent bonds
  • C. Metallic bonds
  • D. Hydrogen bonds
Q. What type of crystal system does a diamond belong to? (2023)
  • A. Cubic
  • B. Tetragonal
  • C. Hexagonal
  • D. Orthorhombic
Q. What type of isomerism is shown by compounds with the same molecular formula but different structural formulas? (2023)
  • A. Geometric isomerism
  • B. Structural isomerism
  • C. Optical isomerism
  • D. Conformational isomerism
Q. What type of isomerism is shown by the amines CH3NH2 and C2H5NH2? (2023)
  • A. Structural isomerism
  • B. Geometric isomerism
  • C. Optical isomerism
  • D. Functional isomerism
Q. What type of isomerism is shown by the complex [Co(en)2Cl2]+? (2021)
  • A. Geometrical
  • B. Optical
  • C. Structural
  • D. Coordination
Q. What type of isomerism is shown by the complex [Cr(en)3]3+? (2023)
  • A. Geometrical
  • B. Optical
  • C. Linkage
  • D. Coordination
Q. What type of packing is observed in a body-centered cubic (BCC) structure? (2023)
  • A. Hexagonal close packing
  • B. Cubic close packing
  • C. Simple cubic packing
  • D. Body-centered packing
Q. What type of packing is observed in hexagonal close-packed (HCP) structures? (2023)
  • A. ABAB
  • B. ABCABC
  • C. AABB
  • D. AAAB
Q. What type of polymer is formed by the polymerization of isoprene? (2019)
  • A. Natural rubber
  • B. Nylon
  • C. Polyethylene
  • D. Teflon
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 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 white light? (2023)
  • A. Barium
  • B. Calcium
  • C. Strontium
  • D. Magnesium
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
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