Mixtures Can Be Separated into Their Components by Taking Advantage

question 83

Multiple Choice

Mixtures can be separated into their components by taking advantage of differences in the chemical properties of the components.Why might this separation method be less convenient than taking advantage of differences in the physical properties of the components?

• A)A chemical property involves a chemical change so that you no longer have what you had.
• B)Chemical properties are not as apparent as are physical properties.
• C)The chemical properties of the components of a mixture are too similar to each other.
• D)The chemical properties of the components of a mixture are too different from each other.

Appreciate the importance of designing studies to minimize biases and expectations on the part of both experimenters and participants.

Understand the methodologies for studying attitudes and behaviors in populations (e.g., surveys).

Recognize the ethical considerations in concealing information in experiments to eliminate bias.

Identify strategies to address common issues in research design (e.g., placebo effect, demand characteristics).

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