Question

State three properties that you would consider to determine whether a substance is pure or impure. Justify your answers

Answer 1

Answer:

the property can be it's density

Answer 2

Answer:

A pure substance consists of only one type of substance not mixed with others. In contrast, a mixture is a substance which has two or more different substances mixed together (not chemically combined). In this chapter, we would look into how to differentiate if a substance is pure (or is it a mixture). Determining if a substance is pure is important because, for example, if a medication consists of impurities, it may cause harm when ingested.

To determine if a substance is pure in school laboratories, we can check the substance’s melting or boiling points or use chromatography (see Separation Techniques).

Explanation:

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