Question

What are the oxide colour that form on the following - iron, copper, magnesium, aluminium

Answer 1

Answer:

iron oxide Fe3O4 = brown

Copper oxide = CuO = black.

Magnesium oxide = MgO = white

Aluminium oxide = Al2O3 = grey

Answer 2

Answer:

1. iron gets corrode and form brown rust
2. copper becomes cu carbonate and gets pale green
3. magnesium gets react with air and gets grey in colour
4. aluminium does not corrode easily but forms greyish appearance is so.

Explanation:

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