Which of the following cation can not give borax bead test ? (a) \(...

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Which of the following cation can not give borax bead test ?
(a) \( \mathrm{Cr}^{3+} \)
(b) \( \mathrm{Co}^{2+} \)
\( \mathrm{P} \)
(c) \( \mathrm{Ag}^{+} \)
(d) \( \mathrm{Mn}^{2+} \)
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