Join WhatsApp ChannelDaily MCQs & Exam Updates
Chemistry Medium PMS Uploaded: 04 Sep 2026

A catalyst increases reaction rate by:

  • A Increasing activation energy
  • B Lowering activation energy
  • C Changing the equilibrium position
  • D Increasing temperature
Correct Answer: Option B — Lowering activation energy
Explanation:
A catalyst speeds up a chemical reaction by providing an alternative pathway with lower activation energy, allowing more reactant molecules to have sufficient energy to react without being consumed itself.
0 views Back to Chemistry
Submitted by: PaperMCQs
Related MCQs