Butter is a colloidal solution as it shows Tyndall effect. Tyndall effect is scattering of beam of light by the particles of colloidal solution. The dispersed phase in butter is liquid and dispersion medium is solid. The colloidal solution is always a part of heterogeneous mixture.
Therefore, Butter is a heterogenous mixture.
Heterogeneous mixture
Heterogeneous. You can see the different parts: bread, peanut butter.
The brown sugar is a homogeneous mixture
hetergeneous
Heterogenous
No, it is heterogeneous as there are still pockets of air in the cake itself.
heterogeneous
heterogeneous
Heterogeneous
If it's got pulp in it, it would be heterogeneous -- otherwise, it is homogeneous.
Heterogeneous mixture.
This mixture is not homogeneous.