A) green
B) blue
C) violet
D) brown
Correct Answer: A
Solution :
In borax bead test| \[C{{u}^{2+}}\] | gives | Bluish green bead |
| \[C{{r}^{3+}}\] | Gives | Dark green bead |
| \[N{{i}^{2+}}\] | Gives | brown bead |
| \[M{{n}^{2+}}\] | Gives | pink bead |
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