List-$I$ contains different compounds formed during the extraction of metal $(M)$ in List-$II$. Match the compounds in List-$I$ with the corresponding metal and process in List-$II$.
List-$I$ List-$II$
$(P). [M(CN)_2]^-$ $(1). Ni$ (during refining of metal)
$(Q). [M(CO)_4]$ $(2). Ti$ (during refining of metal)
$(R). MI_4$ $(3). Pb$ (during roasting of ore)
$(S). MO$ $(4). Ag$ (during leaching of ore)

  • A
    $P-4, Q-1, R-2, S-3$
  • B
    $P-4, Q-2, R-1, S-3$
  • C
    $P-3, Q-1, R-2, S-4$
  • D
    $P-1, Q-2, R-4, S-3$

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Similar Questions

Given below are two statements.
Statement $I$: Pig iron is obtained by heating cast iron with scrap iron.
Statement $II$: Pig iron has a relatively lower carbon content than that of cast iron.
In the light of the above statements,choose the correct answer from the options given below.

The correct statements are :

The form of iron having the highest carbon content is

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Match List-$I$ with List-$II$.
List-$I$ (Industrial process) List-$II$ (Application)
$(a)$ Haber's process $(i)$ $HNO_{3}$ synthesis
$(b)$ Ostwald's process $(ii)$ Aluminium extraction
$(c)$ Contact process $(iii)$ $NH_{3}$ synthesis
$(d)$ Hall-Heroult process $(iv)$ $H_{2}SO_{4}$ synthesis

Choose the correct answer from the options given below:

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