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Question

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Chemistry diagram for: See image
Answer: D

💡 Solution & Explanation

    NaCl 2 2 7 2 4 2 2 2 4 NaCl K Cr O H SO CrO Cl Na CrO Orange red vap. Yellow     NaOH 2 2 7 2 4 2 NaBr K Cr O H SO Br Colourless    

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