Chemistry · Chemical Reactions and Equations
'Heating a china dish containing copper powder in air makes the copper powder coated with a black substance.' Which of the following chemical equations correctly represents this statement?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1Fe + CuSO4 → FeSO4 + Cu
- 22Cu + O2 → 2CuO✓
- 3CuO + H2 → Cu + H2O
- 4Cu + CO2 → CuCO3
Correct answer
2Cu + O2 → 2CuO
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
Start Free Mock Test →Preparing for Chemistry?
Practice full-length 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