1.

Which of the following reaction is not involved in themite processA. `3Mn_(3)O_(4) +8Al rarr 9Mn + 4Al_(2)O_(3)`B. `Cr_(2)O_(3) +2Al rarr Al_(2)O_(3) + 2Cr`C. `2Fe +Al_(2)O_(3) rarr 2Al + Fe_(2)O_(3)`D. `B_(2)O_(3) +2Al rarr 2B +Al_(2) O_(3)`

Answer» Correct Answer - C
In themite welding
`Fe_(2)O_(3)(s) +2AI(s) overset(Delta)underset(Mg)rarr Fe(l) +AI_(2)O_(3) (l)`


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