Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
MediumList-$I$ shows reactions involved in the metallurgy of $Pb$ (lead) and List-$II$ shows the names of the processes. Match List-$I$ with List-$II$ and select the correct code for your answer.
List-$I$ List-$II$ $(P) \ PbS + 2PbO \xrightarrow{\Delta} 3Pb + SO_2 \uparrow$ $(1) \ \text{Smelting}$ $(Q) \ PbS + \frac{3}{2}O_2 \xrightarrow{\Delta} PbO + SO_2 \uparrow$ $(2) \ \text{Self reduction}$ $(R) \ PbCO_3 \xrightarrow{\Delta} PbO + CO_2 \uparrow$ $(3) \ \text{Calcination}$ $(S) \ PbO + C \xrightarrow{\Delta} Pb + CO \uparrow$ $(4) \ \text{Roasting}$
| List-$I$ | List-$II$ |
| $(P) \ PbS + 2PbO \xrightarrow{\Delta} 3Pb + SO_2 \uparrow$ | $(1) \ \text{Smelting}$ |
| $(Q) \ PbS + \frac{3}{2}O_2 \xrightarrow{\Delta} PbO + SO_2 \uparrow$ | $(2) \ \text{Self reduction}$ |
| $(R) \ PbCO_3 \xrightarrow{\Delta} PbO + CO_2 \uparrow$ | $(3) \ \text{Calcination}$ |
| $(S) \ PbO + C \xrightarrow{\Delta} Pb + CO \uparrow$ | $(4) \ \text{Roasting}$ |
- A$P-2, Q-4, R-3, S-1$
- B$P-2, Q-3, R-4, S-1$
- C$P-4, Q-2, R-1, S-3$
- D$P-4, Q-3, R-2, S-1$
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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 $Au$
| 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 items under List-$I$ with the compounds/elements from the List-$II$. Select the correct answer from the sets $(a), (b), (c)$ and $(d)$.
List-$I$ List-$II$ $(i)$ Explosive $(A)$ $NaN_3$ $(ii)$ Artificial gem $(B)$ $Fe_3O_4$ $(iii)$ Self reduction $(C)$ $Sn$ $(iv)$ Magnetic material $(D)$ $Al_2O_3$ $(E)$ $Pb(N_3)_2$ $(F)$ $Fe_2O_3$ $(G)$ $Cu$ $(H)$ $SiC$
| List-$I$ | List-$II$ |
|---|---|
| $(i)$ Explosive | $(A)$ $NaN_3$ |
| $(ii)$ Artificial gem | $(B)$ $Fe_3O_4$ |
| $(iii)$ Self reduction | $(C)$ $Sn$ |
| $(iv)$ Magnetic material | $(D)$ $Al_2O_3$ |
| $(E)$ $Pb(N_3)_2$ | |
| $(F)$ $Fe_2O_3$ | |
| $(G)$ $Cu$ | |
| $(H)$ $SiC$ |
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View SolutionIdentify the alloy containing a non-metal as a constituent in it.
MediumAIPMT 2012
View SolutionMatch 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:
| 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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