Which one of the following statements is inco | vedclass

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Question

(B) The correct answer is $B$. $A$. Tin $(Sn)$ is extracted from its ore cassiterite $(SnO_2)$ by reduction with carbon (smelting). This is correct. $

Vedclass · Accepted Answer

Aluminium is extracted by Hall’s process which involves carbon reduction.

Vedclass · Answer

(B) The correct answer is $B$. $A$. Tin $(Sn)$ is extracted from its ore cassiterite $(SnO_2)$ by reduction with carbon (smelting). This is correct. $B$. Aluminium $(Al)$ is extracted by the Hall-$H$éroult process,which involves the electrolytic reduction of alumina $(Al_2O_3)$ dissolved in molten cryolite $(Na_3AlF_6)$. It does not involve carbon reduction of the oxide. Therefore,this statement is incorrect. $C$. Bessemerisation is a process primarily used for the extraction of copper from copper matte. It is not involved in the extraction of lead. This is correct. $D$. Silver $(Ag)$ is extracted by the Mac-Arthur Forrest cyanide process,where the ore is treated with a dilute solution of $NaCN$ or $KCN$. This is correct.

List-$I$	List-$II$
$(a)$ Sodium Carbonate	$(i)$ Deacon
$(b)$ Titanium	$(ii)$ Castner-Kellner
$(c)$ Chlorine	$(iii)$ Van-Arkel
$(d)$ Sodium hydroxide	$(iv)$ Solvay

List-$I$	List-$II$
$I$. Cyanide process	$A$. Ultrapure $Ge$
$II$. Floatation process	$B$. Pine oil
$III$. Electrolytic reduction	$C$. Extraction of $Al$
$IV$. Zone refining	$D$. Extraction of $Au$

List-$I$	List-$II$
$(a)$ van Arkel method	$1$. Manufacture of caustic soda
$(b)$ Solvay process	$2$. Purification of titanium
$(c)$ Cupellation	$3$. Manufacture of $Na_2CO_3$
$(d)$ Poling	$4$. Purification of copper
$ $	$5$. Refining of silver

Which one of the following statements is incorrect?

Similar Questions

The smelting of iron in the blast furnace involves all the following processes except:

Match List-$I$ with List-$II$:

List-$I$ List-$II$

$(a)$ Sodium Carbonate $(i)$ Deacon

$(b)$ Titanium $(ii)$ Castner-Kellner

$(c)$ Chlorine $(iii)$ Van-Arkel

$(d)$ Sodium hydroxide $(iv)$ Solvay

Choose the correct answer from the options given below:

Which of the following metals is present in Brass,Bronze,and German silver?

Match List-$I$ with List-$II$ and select the correct answer using the codes given below the lists.

List-$I$ List-$II$

$I$. Cyanide process $A$. Ultrapure $Ge$

$II$. Floatation process $B$. Pine oil

$III$. Electrolytic reduction $C$. Extraction of $Al$

$IV$. Zone refining $D$. Extraction of $Au$

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