No, aluminum oxide is colorless.
Iron forms a red oxide when heated. This red oxide is commonly known as rust.
rose oxide
No, it is either a red powder (cuprous oxide) or a black powder (cupric oxide)
The flame color of calcium oxide is typically a brick-red or orange-red color.
its red because of oxygen is getting in to in
Its the Iron Oxide which is rust that makes it red
Iron oxide (ferric oxide) is the only red pigment I can think of. There are also a whole range of synthetic red organic pigments. Toluidine Red is one such example
Gold oxide is typically red or reddish-brown in color.
the colour of mercuric oxide is an orange powder.
Cu2O (Copper(II) Oxide) is a Red Powder. CuO (Copper(I) Oxide) is a Black Powder.
It will probably just turn into black mercury oxide... along with some of your mercury solvent. Heating it will remove the oxygen from the compound, leaving metallic mercury, and any other contaminants behind. Whatever you do, just be careful with this stuff.
the copper oxide will turn red