1.

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

Answer»

`CaCO_(3) rarr CaO + CO_(2)`
`2C + O_(2) rarr 2CO`
`C + O_(2) rarr CO_(2)`
`Fe_(2)O_(3) + 3CO rarr Fe_(2)O_(3) + 3CO rarr 2FE + 3CO_(2)`

Answer :A


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