Question
Question: Gold Schmidt thermite process is used for -...
Gold Schmidt thermite process is used for -
A
Welding of broken iron pieces
B
Converting iron into steel
C
Extraction of sulphur
D
Reduction of metallic oxide by aluminium
Answer
Reduction of metallic oxide by aluminium
Explanation
Solution
Cr2O3 & Mn3O4 are reduced to corresponding metal by heating with Al.