Identify the correct statements from the following:
$(i)$ In the extraction of $Ag$ and $Au$,zinc is used as a reducing agent.
$(ii)$ Impure zinc can be refined by distillation method.
$(iii)$ Malachite is an ore of nickel.

  • A
    $(i), (ii), (iii)$
  • B
    $(i), (iii)$ only
  • C
    $(ii), (iii)$ only
  • D
    $(i), (ii)$ only

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Similar Questions

Match the following processes in List-$I$ with their respective applications in List-$II$:
List-$I$ List-$II$
$A$. Van Arkel method $P$. Purification of titanium
$B$. Solvay process $Q$. Manufacture of $Na_2CO_3$
$C$. Bassemerisation $S$. Reduction of copper
$D$. Hall-Herault process $R$. Reduction of aluminium

The form of iron having the highest carbon content 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 $Au$

Identify the metal which is not common to German silver and brass.

What is the appropriate process for the extraction of lead from low-grade ore (impurity level is high)?

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