When a nitrate is warmed with zinc powder and an NaOH solution, a gas is evolved. Which of the following reagents will be turned brown by the gas? | Qualitative and Quantitative Analysis — Chem-Mantra | Chem-Mantra

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Question

When a nitrate is warmed with zinc powder and an NaOH solution, a gas is evolved. Which of the following reagents will be turned brown by the gas?

Answer: C

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