In Goldschmidt aluminothermic process which of following reducing agents is used

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General Principles and processes of Isolation of Elements

medium

In Goldschmidt aluminothermic process which of the following reducing agents is used

calcium

coke

$Al-$ powder

sodium

(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

Blister copper is

easy

$Ag_2S + NaCN + Zn \rightarrow Ag$

This method of extraction of $Ag$ by complex formation and then its displacement is called :

medium

Poling process is used for

easy

Black Jack is an ore of

hard

Assertion : Extraction of iron metal from iron oxide ore is carried out by heating with coke.

Reason : The reaction,

$Fe_2O_3 (s)\to Fe(s) + 3 / 2O_2 (g)$ is a spontaneous process.

hard

(AIIMS-2005)

In Goldschmidt aluminothermic process which of the following reducing agents is used

Solution

Similar Questions

Blister copper is

$Ag_2S + NaCN + Zn \rightarrow Ag$ This method of extraction of $Ag$ by complex formation and then its displacement is called :

Poling process is used for

Black Jack is an ore of

Assertion : Extraction of iron metal from iron oxide ore is carried out by heating with coke. Reason : The reaction, $Fe_2O_3 (s)\to Fe(s) + 3 / 2O_2 (g)$ is a spontaneous process.

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$Ag_2S + NaCN + Zn \rightarrow Ag$

This method of extraction of $Ag$ by complex formation and then its displacement is called :

Assertion : Extraction of iron metal from iron oxide ore is carried out by heating with coke.

Reason : The reaction,

$Fe_2O_3 (s)\to Fe(s) + 3 / 2O_2 (g)$ is a spontaneous process.