Is chocolate tomato sauce and gravy are solution?

Chocolate, tomato sauce, and gravy are all mixtures, but they are not solutions. A solution is a homogeneous mixture of two or more substances. In a solution, the solute particles are evenly distributed throughout the solvent. Chocolate, tomato sauce, and gravy are all heterogeneous mixtures. In these mixtures, the solute particles are not evenly distributed throughout the solvent. For example, in chocolate, the cocoa solids are not evenly distributed throughout the sugar and fat. In tomato sauce, the tomato solids are not evenly distributed throughout the water. In gravy, the flour and fat are not evenly distributed throughout the water.