A positive brown ring test indicates the presence of

Chemistry

WAEC 1995

A. NO ₃
B. Fe ³⁺
C. SO ^2-₃
D. CU⁺
E. NO^- ₂

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Correct Answer: Option A

Explanation

Brown ring test is used for the detection of nitrate ions in a solution. As the name suggests it detects presence of nitrate ions by formation of brown ring

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A positive brown ring test indicates the presence of

Correct Answer: Option A

Explanation

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