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When an iron nail is dipped in copper sulphate solution, which of the following observations confirms that a displacement reaction has occurred?
The solution turns colourless, and hydrogen gas is released.
The blue colour of the copper sulphate solution fades, and a reddish-brown deposit appears on the iron nail.
The solution remains blue, and the iron nail remains shiny.
A white precipitate is formed.
The blue colour of the copper sulphate solution fades, and a reddish-brown deposit appears on the iron nail.
Practice and solve "When an iron nail is dipped in copper sulphate solution, which of the following observations confirm..." for General Science - Previous Year Paper 2024. The correct answer is Option B: The blue colour of the copper sulphate solution fades, and a reddish-brown deposit appears on the iron nail.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "When an iron nail is dipped in copper sulphate solution, which of the following observations confirm..." for General Science - Previous Year Paper 2024. The correct answer is Option B: The blue colour of the copper sulphate solution fades, and a reddish-brown deposit appears on the iron nail.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.