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General Principles and processes of Isolation of Elements
easy
Match List $-I$ with List $- II$
| List $- I$ (Ore) | List $- II$ (Element Present) |
| $(a)$ Kernite | $(i)$ Tin |
| $(b)$ Cassiterite | $(ii)$ Boron |
| $(c)$ Calamine | $(iii)$ Fluorine |
| $(d)$ Cryolite | $(iv)$ Zinc |
Choose the most appropriate answer from the options given below.
A
$(a) \rightarrow( i ),( b ) \rightarrow( iii ),( c ) \rightarrow( iv ),( d ) \rightarrow (ii)$
B
$(a) \rightarrow (ii), (b) \rightarrow (i), (c) \rightarrow (iv), (d) \rightarrow (iii)$
C
$( a ) \rightarrow( ii ),( b ) \rightarrow( iv ),( c ) \rightarrow( i ),( d ) \rightarrow( iii )$
D
$(a) \rightarrow( iii ),( b ) \rightarrow( i ),( c ) \rightarrow( ii ),( d ) \rightarrow( iv )$
(JEE MAIN-2021)
Solution
Kernite $= Na _{2} B _{4} O _{7} \cdot 4 H _{2} O$
Cassiterite $= SnO _{2}$
Calamine $= ZnCO _{3}$
Cryolite $= Na _{3} A \ell F _{6}$
Standard 12
Chemistry
Similar Questions
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
