How Would You Classify the Following Material? Coffee (Black)

question 63

Multiple Choice

How would you classify the following material? coffee (black)

• A)a suspension
• B)a heterogeneous mixture
• C)a solution
• D)an element
• E)a compound

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Definitions:

Variable

A characteristic, number, or quantity that can change or vary, often used in research to measure and analyze differences or effects.

Experimental Group

A group in a scientific study that receives the treatment or intervention being tested, allowing researchers to measure the effect of the treatment.

Control Group

In experimental research, the group of subjects not exposed to the treatment, used as a benchmark to measure the effect of the treatment group.

Randomization Technique

A method used in experiments to randomly assign subjects to different groups to reduce bias and ensure the groups are comparable.