Quiz: Uncertainty in Chemical Measurements
AQA GCSE Chemistry (8462)
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Welcome! You've already learned key concepts like conservation of mass and particle models. Now, let's explore uncertainty in chemical measurements and test your understanding!
What does uncertainty in chemical measurements refer to?
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Which factors can contribute to uncertainty in chemical measurements? (Select all that apply)
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Uncertainty tells us how {{blank0}} a measurement is, and is often given as a {{blank1}}.
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Match the items on the left with their correct pairs on the right
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A measurement is recorded as 25.0 ± 0.2 g. What is the range of possible values?
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If you measure the mass of an object three times and get 10.1 g, 10.2 g, and 10.3 g, what is the uncertainty?
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Match the items on the left with their correct pairs on the right
A more {{blank0}} measuring device will have a smaller {{blank1}} of uncertainty.
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Which of the following statements about uncertainty is NOT true?
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A student measures the volume of a solution as 250.0 ± 0.5 cm³. What is the percentage uncertainty?
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