First slide

13th group or boron group

Question

Thermite mixture used for welding is ____?

Moderate

A

Fe and Al
B

Ferric oxide and Al
C

$B a O_{2}$ and Mg
D

Cu and Al

Solution

Following is the reaction involving thermite mixture.
$F e_{2} O_{3} + 2 A l \to A l_{2} O_{3} + 2 F e + H e a t$

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