MCQ
Which of the following melts in boiling water
- AGun metal
- ✓Wood's metal
- CMonel metal
- DBell metal
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| Column $I$ | Column $II$ |
| $(a)$ Urea | $(i) i < 1$ |
| $(b) FeCl_3$ | $(ii) i = 1$ |
| $(c)$ Benzoic acid in Benzene | $(iii) i = 2$ |
| $(d) MgSO_4$ | $(iv) i = 4$ |