Question

which of the following is not an example of a solution? bowl of cereal kool - aid mouthwash air

Explanation:

A solution is a homogeneous mixture. Kool - Aid is a homogeneous mixture of water, sugar, and flavoring. Mouthwash is a homogeneous mixture of various chemicals in a liquid base. Air is a homogeneous mixture of gases like nitrogen, oxygen, etc. A bowl of cereal is a heterogeneous mixture (contains different components like cereal flakes and milk that are not uniformly distributed).

Answer:

Bowl of cereal