Question

unit 1 test: matter (2025) started: sep 4 at 1:07pm quiz instructions instructions: for each test item, identify the choice that best completes the statement or answers the question. question 7 3 pts which of the following would be classified as a homogenous mixture? o copper o salt o gravel o brass

Explanation:

A homogeneous mixture has a uniform composition throughout. Copper is an element, sand is a heterogeneous mixture of different minerals and particles, gravel is a heterogeneous mixture of rocks and stones. Brass is an alloy (a solid - solution), which is a homogeneous mixture of copper and zinc.

Answer:

brass