Question

The displacement reaction between iron (III) oxide and a metal X is used for welding the rail tracks here X is

a copper granules
b magnesium ribbon
c sodium pellets
d aluminum dust

Answer 1

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${\huge{\purple{\mathbb{\bold{ANSWER}}}}}$

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=》 Aluminum Dust.

${\large{\blue{\bold{\underline{Reaction:-}}}}}$

Fe2O3 + Al ---> Al2O3 + Fe.

☆ This reaction is also known as Thermit Reaction .

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Answer 2

Answer:

d

Explanation:

cause you gonna get that :)