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The blue colour in an oxidising flame of...

The blue colour in an oxidising flame of a microcosmic bead containing `Cu^(2+)` is due to:

A

`NaCuPO_(4)`

B

`Cu(PO_(3))_(2)`

C

`Cu_(3)(PO_(4))_(2)`

D

None of these

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The correct Answer is:
A
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