Question

Mrs. Grumble noticed that there were some coffee grounds in the bottom of her cup. She slowly and carefully decanted the coffee into another cup, leaving the grounds in the original cup. In this example, decanting was used to

Answer 1

Answer: separate a heterogeneous mixture.

Explanation: when a solid is mixed with a liquid and remains in souls chucks, then the mixture is heterogeneous. This is the case with coffee grounds in a cup of coffee.