Quiz: Scientific vs Everyday Purity
WJEC Eduqas GCSE in Chemistry C510QS
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Building on what you've learned about pure substances, let's test your knowledge of scientific versus everyday purity!
In science, what is a pure substance?
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Which statements are true about scientific purity? (Select all that apply)
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A pure substance has a {{blank0}} melting point, while a mixture has a {{blank1}} melting range.
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Match the items on the left with their correct pairs on the right
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A substance has a melting point of 100°C. If impurities are added, the melting point decreases to 95°C. What is the difference in melting point?
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Which of the following indicates a substance is not pure?
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Match the items on the left with their correct pairs on the right
Which of the following methods can separate mixtures? (Select all that apply)
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What is the difference between scientific and everyday purity?
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