MCQOPTIONS
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| 1. |
Aditya, a class 8 student investigated the reactivity of four metals, iron, copper, zinc and an unknown metal X. He arranged three experimental set-ups as shown in the diagram and observed the changes carefully. If reactions occur in all the three beakers then, the metal X is |
| A. | Cu |
| B. | Mg |
| C. | Fe |
| D. | Au |
| Answer» C. Fe | |