Neither. Oxygen is an element, which is a pure substance and not a mixture.
Playdough is homogeneous because it is a mixture with uniform properties throughout.
No, baking soda is a compound composed of sodium, hydrogen, carbon, and oxygen atoms in a fixed ratio. It is a homogeneous substance, not a heterogeneous mixture.
Pure air is considered a homogeneous mixture because the components of air, such as nitrogen, oxygen, and other gases, are evenly distributed throughout.
3 in 1 coffee powder is an example of a homogeneous mixture because all the components (coffee, creamer, sugar) are evenly distributed throughout the mixture and cannot be easily separated.
is heterogenous because it is composed of many different gases. To be homogenous it would have to be composed of a single gas.
Oxygen is a chemical element not a mixture.
hetergeneous
An element
Neither, Oxygen is a pure substance not a mixture.
Heterogenous
No. It will be a homogeneous mixture of gases.
heterogeneous
Heterogeneous
If it's got pulp in it, it would be heterogeneous -- otherwise, it is homogeneous.
Heterogeneous mixture.
This mixture is not homogeneous.
Silver is not a homogeneous mixture or a heterogeneous mixture, it is a pure element. Silver does appear in homogeneous mixtures and heterogeneous mixtures such as sterling silver and silver nitrate.