\( \mathrm{P} \) Which of the following can be detected by the bora...

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\( \mathrm{P} \)
Which of the following can be detected by the borax-bead test ?
W
(A) \( \mathrm{Ni}^{2+} \)
(B) \( \mathrm{Co}^{2+} \)
(C) \( \mathrm{Pb}^{+2} \)
(D) Both (A) \& (B)
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