Question

which of the following representations depict homogeneous mixtures? (there are two correct answers.) choose one or more: a. saline b. helium c. mercury d. brass

Explanation:

A homogeneous mixture has a uniform composition throughout. Saline is a mixture of salt and water with a uniform composition. Brass is an alloy (a homogeneous mixture) of copper and zinc. Helium is an element, not a mixture. Mercury is a pure substance (element), not a mixture.

Answer:

A. Saline, D. Brass