In cobalt nitrate test Zn and Mg gives :

blue and green colour

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green and pink colour

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green and blue colour

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none of the above

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Solution

The correct option is B green and pink colour
In cobalt nitrate test Zn and Mg gives green and pink colour.

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Similar questions

Statements

Some green are blue.

Pink is blue.

Conclusions

I. Some green is pink

II. Some blue is pink

III. Some pink are greens

[C o (H_{2} O)_{6}]^{3 +} (a q) + 4 C l)^{-} (a q) ⇌ [C o C l_{4}]^{2 -} (a q) + 6 H_{2} O (l)

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