In the reaction of copper oxide with hydrochloric acid, the solution becomes _______ .

Subject: General Awareness | Topic: Science | Difficulty: MEDIUM

Options

1. (A) Brown due to hydrogen gas
2. (B) Blue-green due to copper(II) chloride
3. (C) Colourless due to formation of water
4. (D) Red due to evolution of oxygen

Verified Answer

Option (B): Blue-green due to copper(II) chloride

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