MCQ
Which of the following elements has lowest tendency to form its oxide?
- AAl
- BCr
- ✓Hg
- DFe
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| Column I | Column II | ||
| i. | Hibernation | a. | Birds in winter |
| ii. | Aestivation | b. | Polar bear in winter |
| iii. | Migration | c. | Some snails and fish in summer |