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General Principles and processes of Isolation of Elements
easy
Match List$-I$ with List$-II$
| List$-I$ | List$-II$ |
| $(A)$ Concentration of gold ore | $(I)$ Aniline |
| $(B)$ Leaching of alumina | $(II)$ $NaOH$ |
| $(C)$ Froth stabiliser | $(III)$ $SO _{2}$ |
| $(D)$ Blister copper | $(IV)$ $NaCN$ |
Choose the correct answer from the options given below.
A
$(A) - (IV), (B) - (III), (C) - (II), (D) - (I)$
B
$(A) - (IV), (B) - (II), (C) - (I), (D) - (III)$
C
$(A) - (III), (B) - (II), (C) - (I), (D) - (IV)$
D
$( A )-( II ),( B )-( IV ),( C )-( III ),( D )-( I )$
(JEE MAIN-2022)
Solution
Gold is concentrated by cyanidation
Leaching of alumina is done by $NaOH$
Froth stabiliser is aniline
Blister copper has condensed $SO _{2}$ on the surface
Standard 12
Chemistry
