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The blast of hot air is introduced from tuyeres during extraction of iron at about.

$ (a)\;10000K \\(b)\;2500K \\(c)\;1000 K \\ (d)\;500 K $

1 Answer

This is the intial temperature needed to start the reaction.
Hence c is the correct answer.
answered Mar 20, 2014 by meena.p
 
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