A student dips an iron nail in a blue solution of copper sulphate. After 30 minutes, the blue colour fades and

Question

A student dips an iron nail in a blue solution of copper sulphate. After 30 minutes, the blue colour fades and a reddish-brown deposit forms on the nail. The reddish-brown deposit is due to _______.

Examoogle · Accepted Answer

Option A: copper sulphate converting to metallic copper

Explanation & Concepts:
Practice and solve "A student dips an iron nail in a blue solution of copper sulphate. After 30 minutes, the blue colour..." for General Science - Previous Year Paper 2026. The correct answer is Option A: copper sulphate converting to metallic copper. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.

Examoogle · Answer

Option B: copper sulphate converting to iron oxide (rust)

Examoogle · Answer

Option C: copper sulphate converting to Cu +

Examoogle · Answer

Option D: Fe converting to copper oxide Question ID : 4410091029472 Option 1 ID : 4410094069584 Option 2 ID : 4410094069585 Option 3 ID : 4410094069583 Option 4 ID : 4410094069582 Status : Answered Chosen Option : A

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