Q1Written answer
Metallic oxides of zinc, magnesium and copper were heated with the following metals.
| Metal | Zinc | Magnesium | Copper |
| Zinc Oxide | |||
| Magnesium Oxide | |||
| Copper Oxide |
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Worked solution
A more reactive metal can displace a less reactive metal from its oxide. Among Zinc, Magnesium, and Copper metals, magnesium is the most reactive, copper is the least reactive metal and zinc is less reactive .The displacement reaction will take place in the following cases
| Metal | Zinc | Magnesium | Copper |
| Zinc Oxide | – | Displacement | – |
| Magnesium Oxide | – | – | – |
| Copper Oxide | Displacement | Displacement | – |