Chemistry · Chemical Reactions and Equations
Which of the following reactions represents a thermal decomposition reaction?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 12KClO3 → 2KCl + 3O2 (in presence of MnO2 catalyst)
- 22H2O → 2H2 + O2 (by electrolysis)
- 3CaCO3 → CaO + CO2 (on heating)✓
- 42AgCl → 2Ag + Cl2 (in sunlight)
Correct answer
CaCO3 → CaO + CO2 (on heating)
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Preparing for Chemistry?
Practice full-length Chemistry mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Chemical Reactions and Equations MCQs →Want more practice questions on Chemical Reactions and Equations?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Chemistry · Chemical Reactions and Equations