The metal that does not give the borax-bead t | vedclass

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Question

(C) The borax-bead test is primarily given by transition metals that form colored metaborates upon heating with borax $(Na_2B_4O_7 \cdot 10H_2O)$.
$C

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(C) The borax-bead test is primarily given by transition metals that form colored metaborates upon heating with borax $(Na_2B_4O_7 \cdot 10H_2O)$.
$Cr$,$Ni$,and $Mn$ are transition metals and form colored beads.
$Pb$ $(Lead)$ is a post-transition metal and does not form a colored bead in the borax-bead test.
Therefore,the correct option is $C$.

The metal that does not give the borax-bead test is

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