In the Borax bead test of Co^(2+), the blue colour of bead is due to t – InterviewSolution

1.	In the Borax bead test of Co^(2+), the blue colour of bead is due to the formation of :
Answer» `B_(2)O_(3)` `Co_(3)B_(2)` `CO(BO_(2))_(2)` `Co O` ANSWER :C

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