MCQOPTIONS
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| 1. |
Complete the following equation of rusting of iron. \[\text{Iron(Fe)+A+moisture}\to \text{B}\] |
| A. | A = Oxygen, B = Carbon dioxide |
| B. | A = Water, B = Oxygen |
| C. | A = Oxygen, B = Rust (iron oxide) |
| D. | A = Carbon dioxide, B = Oxygen |
| Answer» D. A = Carbon dioxide, B = Oxygen | |