MCQ
What does the two vertical parallel lines $(|\mid)$ represent in :
$
Zn_{(s)}\left|Zn_{(aq)}^{+2} \| Cu_{(sq)}^{2+}\right| Cu
$
$
Zn_{(s)}\left|Zn_{(aq)}^{+2} \| Cu_{(sq)}^{2+}\right| Cu
$
- ACathode
- BAnode
- ✓Salt bridge
- DElectrolyte
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$C{H_3} - CH = CH - CH\left( {OH} \right) - Me$ is
| Column $- I$ | Column $-II$ | ||
| $(A)$ | $V_2O_5$ | $(i)$ | Haber's process |
| $(B)$ | $Ni$ | $(ii)$ | Prepartion of $O_2$ from $KClO_3$ |
| $(C)$ | $MnO_2$ | $(iii)$ | Conversion of $SO_2$ to $SO_3$ |
| $(D)$ | $Fe$ | $(iv)$ | Hydrogenation of oils |

