General Principles and processes of Isolation of Elements
medium

ગોલ્ડસ્મીટ એલ્યુમિનો થર્મિક પ્રક્રમમાં નીચેના પૈકી કયો રિડક્શનકર્તા વપરાય છે ?

A

કેલ્શિયમ 

B

કોક

C

$Al-$ પાઉડર 

D

સોડિયમ 

(JEE MAIN-2013)

Solution

Reduction by powdered aluminium is known as Gold-Schmidt aluminothermic process. This process is employed in cases where metals have very high $m.p.$ and are to be extracted from their oxides.

Standard 12
Chemistry

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