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Chemistry · Unit 1 · Properties and structure of materials · Compounds and mixtures

State that pure substances may be elements or compounds.

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Question 1

Which of the following is classified as a pure substance that is a compound?

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Identify that pure substances have distinct measurable properties (e.g. melting and boiling point, reactivity, strength, density) and mixtures have properties dependent on the identity and relative amounts of the substances that make them up.
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