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

(1983,1M)

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Solution:

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

2Al+Fe2O3Al2O3+2Fe+ Heat 



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