
| List-I (Sol) | List-II (Method of preparation) |
|---|---|
| A) \( \text{As}_2\text{S}_3 \) | I) Bredig's arc method |
| B) \( \text{Au} \) | II) Oxidation |
| C) \( \text{S} \) | III) Hydrolysis |
| D) \( \text{Fe(OH)}_3 \) | IV) Double decomposition |
The heat generated in 1 minute between points A and B in the given circuit, when a battery of 9 V with internal resistance of 1 \(\Omega\) is connected across these points is ______ J. 
The given circuit works as: 