Extraction of Metals - Result Question 38

####38. In the alumino-thermite process, aluminium acts as

(a) an oxidising agent

(b) a flux

(c) a reducing agent

(d) a solder

$(1983,1 M)$

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Solution:

  1. In thermite welding, $Al$ acts as a reducing agent

$$ 2 Al+Fe _2 O _3 \longrightarrow Al _2 O _3+2 Fe+\text { Heat } $$



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