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General Principles and processes of Isolation of Elements
easy
Which of the following is used as a depressant in the separation of $ZnS$
A
$NaCN$
B
$Al_2O_3$
C
$Na[Ag(CN)_2]$
D
$Na_2S$
Solution
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Standard 12
Chemistry
Similar Questions
Match the list
| $I$ | $II$ | ||
| $(A)$ | Van arkel method | $(P)$ | Purification of titanium |
| $(B)$ | Solvay process | $(Q)$ | Manufacture of $Na_2CO_3$ |
| $(C)$ | Bassemerisation | $(R)$ | Reduction of aluminium |
| $(D)$ | Holl Herault's process | $(S)$ | Reduction of cupper |
medium
Match List$-I$ with List$-II$
| List$-I$(process) | List$-II$ (catalyst) |
| $(a)$ Deacron's process | $(i)$ $ZSM-5$ |
| $(b)$ Contact process | $(ii)$ $CuCl _{2}$ |
| $(c)$ Cracking of hydrocarbons | $(iii)$ Particles $Ni ^{\prime}$ |
| $(d)$ Hydrogenation of vegetable oils | $(iv)$ $V _{2} O _{5}$ |
Choose the most appropriate answer from the options given below
