An iron blade is dropped into a bluish solution. After about half an hour, the color of the solution changes to light green and a brown-colored coating is observed on the blade. Based on this chemical displacement reaction, which of the following is a correct conclusion?

Question

Science · Chemical Reactions

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

The brown deposit observed on the iron blade is metallic copper.

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Answer 1

The brown deposit on the blade is rust (hydrated iron oxide).

Answer 2

The brown deposit observed on the iron blade is metallic copper.

Answer 3

The initial blue-colored solution was iron sulphate.

Answer 4

The green-colored solution formed is copper sulphate.

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