The displacement reaction between(III) oxide and a mental x is used for welding the rail tracks here x is
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Q.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;
OPTION D
=》 Aluminum Dust.
Fe2O3 + Al ---> Al2O3 + Fe.
☆ This reaction is also known as Thermit Reaction .
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