Selected MCQ

Current Question
Which reaction releases electrons?
  • A. Reduction
  • B. Oxidation
  • C. Neutralization
  • D. Precipitation
Correct Answer: B
Explanation:
Oxidation is loss of electrons.
Related Question 1
Which bond involves delocalized electrons?
  • A. Ionic
  • B. Covalent
  • C. Metallic
  • D. Hydrogen
Correct Answer: C
Explanation:
Metallic bonding has electron sea.
Related Question 2
Which reaction forms ester?
  • A. Hydrolysis
  • B. Esterification
  • C. Oxidation
  • D. Reduction
Correct Answer: B
Explanation:
Acid + alcohol forms ester.
Related Question 3
Which process releases gas?
  • A. Condensation
  • B. Evaporation
  • C. Freezing
  • D. Deposition
Correct Answer: B
Explanation:
Evaporation produces gas.
Related Question 4
Which reaction produces polymer?
  • A. Hydrolysis
  • B. Polymerization
  • C. Oxidation
  • D. Reduction
Correct Answer: B
Explanation:
Polymerization links monomers.
Related Question 5
Which reaction type forms larger molecule from smaller ones?
  • A. Decomposition
  • B. Addition
  • C. Substitution
  • D. Elimination
Correct Answer: B
Explanation:
Addition combines molecules.