A) flux
B) oxidising agent
C) reducing agent
D) solder
Correct Answer: C
Solution :
In aluminothermite process aluminium act as a reducing agent. In thermite process, mixture of 3 parts (by weight)\[F{{e}_{2}}{{O}_{3}}\]and 1 part (by weight) aluminium powder is used \[Al+F{{e}_{2}}{{O}_{3}}\xrightarrow{{}}A{{l}_{2}}{{O}_{3}}+Fe\] \[Al\xrightarrow{{}}A{{l}^{3+}}+3{{e}^{-}}\] (oxidation) Therefore, aluminium metal act as reducing agent.
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