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Question: Alumino–thermic process is used for the extraction of metals, whose oxides are....

Alumino–thermic process is used for the extraction of metals, whose oxides are.

A

Fusible

B

Not easily reduced by carbon

C

Not easily reduced by hydrogen

D

Strongly basic

Answer

Not easily reduced by carbon

Explanation

Solution

Alumino thermite process involves reduction of oxides such as Fe2O3,Mn3O4,Cr2O3\mathrm { Fe } _ { 2 } \mathrm { O } _ { 3 } , \mathrm { Mn } _ { 3 } \mathrm { O } _ { 4 } , \mathrm { Cr } _ { 2 } \mathrm { O } _ { 3 } etc. to metals with aluminum. ΔH=−ve\Delta H = - \mathrm { ve }