Mayonnaise is a homogeneous mixture; it contains oil, eggs and vinegar, but we can’t see these individual ingredients.
A mixture is a combination of two or more substances that are not chemically united and do not exist in fixed proportions to each other. Most natural substances are mixtures.
A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions.
A heterogeneous mixture consists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.
Learn more about the difference between heterogeneous and homogeneous mixture at Elmhurst College.
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