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:

  • A
    $(a)$ $\rightarrow (iv), (b)$ $\rightarrow (iii), (c)$ $\rightarrow (i), (d)$ $\rightarrow (ii)$
  • B
    $(a)$ $\rightarrow (i), (b)$ $\rightarrow (iii), (c)$ $\rightarrow (iv), (d)$ $\rightarrow (ii)$
  • C
    $(a)$ $\rightarrow (iv), (b)$ $\rightarrow (i), (c)$ $\rightarrow (ii), (d)$ $\rightarrow (iii)$
  • D
    $(a)$ $\rightarrow (iii), (b)$ $\rightarrow (ii), (c)$ $\rightarrow (i), (d)$ $\rightarrow (iv)$

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Similar Questions

The statement that is $NOT$ correct is:

Match List-$I$ and List-$II$ and select the correct answer using the codes given below the lists :
List-$I$ List-$II$
$I.$ Cyanide process $(1)$ Ultrapure $Ge$
$II.$ Floatation process $(2)$ Dressing of $HgS$
$III.$ Electrolytic reduction $(3)$ Extraction of $Al$
$IV.$ Zone refining $(4)$ Extraction of $Au$

Match the conversions in Column-$I$ with the type$(s)$ of reaction$(s)$ given in Column-$II$.
Column-$I$ Column-$II$
$A$. $PbS \rightarrow PbO$ $p$. roasting
$B$. $CaCO_3 \rightarrow CaO$ $q$. calcination
$C$. $ZnS \rightarrow Zn$ $r$. Carbon reduction
$D$. $Cu_2S \rightarrow Cu$ $s$. self reduction

One of the constituents of German silver is:

Consider the following metallurgical processes:
$I$. Heating impure metal with $CO$ and distilling the resulting volatile carbonyl (b.p. $43 \ ^oC$) and finally decomposition at $150 \ ^oC - 200 \ ^oC$ to get the pure metal.
$II$. Heating the sulphide ore in air until a part is converted to oxide and then further heating in the absence of air to let the oxide react with unchanged metal sulphide.
$III$. Electrolysis of the molten electrolyte containing approximately equal amounts of the metal chloride and $NaCl$ to obtain the metal.
The processes used for obtaining magnesium,nickel and copper are respectively:

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