Quiz: Experimental Design Principles
OCR H432 A-Level Chemistry
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Welcome to this quiz on Experimental Design Principles! Test your understanding of how to design and evaluate experiments in chemistry.
What is the purpose of a control variable in an experiment?
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Which of the following are examples of systematic errors? (Select all that apply)
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The {{blank0}} variable is the one that is deliberately changed, while the {{blank1}} variable is measured in response.
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Match the items on the left with their correct pairs on the right
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What is the primary purpose of replicates in an experiment?
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Match the items on the left with their correct pairs on the right
Which steps improve the reliability of an experiment? (Select all that apply)
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Random errors are caused by unpredictable changes, whereas {{blank0}} errors are consistent and repeatable.
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Why is it important to calibrate equipment before use?
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