MCQ
On passing electric current in an electrolyte solution $H_2$ gas is liberated at cathode then electrolyte could be
- ✓$MgCl_2$
- B$AuCl_3$
- C$CuCl_2$
- D$AgNO_3$
✓
Answer
Correct option: A.
$MgCl_2$
a
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