Question

A mixture of copper sulfate and water is heated, leaving a residue of copper sulfate in the container. Which method was used to separate the mixture?(1 point) Responses  chromatography chromatography  evaporation evaporation  filtration filtration  distillation

Answer 1

The method used to separate a mixture of copper sulfate and water, leaving a residue of copper sulfate in the container, is **evaporation**. This process involves heating the mixture to remove the water, allowing the copper sulfate to crystallize and remain as a solid residue.