1.

Which of the following reactions taking place in the blast furnace during extraction of iron is endothermic?

Answer»

`2C+O_2 to 2CO`
`CO_2+C to 2CO`
`C+O_2 to CO_2`
`Fe_2O_3 + 3CO to2Fe+ 3CO_2`

SOLUTION :`CO_2+C to 2CO , DELTAH`= + 163.2 KJ


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