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Isolation of boron in very high purity i...

Isolation of boron in very high purity is extremely difficult because of:

A

Strong tendency of boron to acquire electron rich atoms such as `C,N` or `O`

B

High melting point of boron `(2180^(@)C)`

C

Tremendous affinity of liquid Boron towards oxygen.

D

All of these

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The correct Answer is:
D
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