Home UPPSC Prelims 2025 Mock Test Series MCQs

Question

Which type of chemical reaction involves both oxidation and reduction?

  1. Combination reaction
  2. Decomposition reaction
  3. Redox reaction
  4. Neutralization reaction

Answer:

Option C: Redox reaction

Detailed Solution:

The correct answer is “Redox reaction”.

A redox reaction (reduction-oxidation reaction) involves the transfer of electrons between chemical species. One species is oxidized (loses electrons), and another is reduced (gains electrons).