Chemistry · Chemical Reactions and Equations
When an iron nail is dipped in copper sulphate solution, which of the following observations confirms that a displacement reaction has occurred?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1The blue colour of the copper sulphate solution fades, and a brown deposit appears on the iron nail✓
- 2A white precipitate is formed
- 3The solution turns colourless, and hydrogen gas is released
- 4The solution remains blue, and the iron nail remains shiny
Correct answer
The blue colour of the copper sulphate solution fades, and a brown deposit appears on the iron nail
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