Question

harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming? a cloudy appearance a bubble formation a change in color a change in odor

Explanation:

A precipitate is an insoluble solid that forms in a solution during a chemical reaction. A cloudy appearance in a liquid - liquid mixture is a common sign that a solid (precipitate) is forming and dispersing in the solution. Bubble formation indicates gas evolution, change in color can be due to various factors like formation of colored compounds but not specifically precipitate, and change in odor is related to the release or formation of volatile substances with distinct smells, not precipitate formation.

Answer:

a cloudy appearance