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What is the melting point of cobalt?

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+1 vote
in Mass Transfer by (37.1k points)
What is the melting point of cobalt?

(a) 1449 K

(b) 1559 K

(c) 1669 K

(d) 1769 K

This question was posed to me in quiz.

I'd like to ask this question from Melting Point in section Modes and Diffusion of Mass Transfer

1 Answer

0 votes
by (39.8k points)
Right option is (d) 1769 K

Explanation: It is found only in chemically combined form. It occurs as two crystallographic structures i.e. hcp and fcc.

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