Which one of the following metal salts produced a blue coloured bead in cobalt nitrate charcoal cavity test?A. `ZN^(2+)`B. `Mg^(2+)`C. `Sn^(2+)`D. `AI^(3+)`

Which one of the following metal salts produced a blue coloured bead i

1.	Which one of the following metal salts produced a blue coloured bead in cobalt nitrate charcoal cavity test?A. `ZN^(2+)`B. `Mg^(2+)`C. `Sn^(2+)`D. `AI^(3+)`
Answer» Correct Answer - D

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Which one of the following metal salts produced a blue coloured bead in cobalt nitrate charcoal cavity test?A. `ZN^(2+)`B. `Mg^(2+)`C. `Sn^(2+)`D. `AI^(3+)`

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