Chapter 3 NCERT Class 10 Science SOLUTIONS

1. Metallic oxides of zinc, magnesium and copper were heated with the following metals :

Question:

Metallic oxides of zinc, magnesium and copper were heated with the following metals :

Metal Zinc Magnesium Copper
Zinc oxide
Magnesium oxide
Copper oxide

In which cases will you find displacement reactions taking place?

Answer:

Metal Zinc Magnesium Copper
Zinc oxide No Displacement No
Magnesium oxide No No No
Copper oxide Displacement Displacement Yes

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