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4 cards from this section. Quick, good the night before a test.
What is a pure substance?
Think about what 'pure' means in daily life.
Give an example of a homogeneous mixture.
Consider solutions that look similar throughout.
Which of the following is a pure substance?
Think about what classifies a substance as 'pure'.
True or False: A salt solution is a heterogeneous mixture.
Consider how you see the salt in the solution.
You have a mixture of salt and sand. Describe how you would separate the two components and why the method works.
Think about how solubility plays a role.
What would happen if you dissolved salt in water and then filtered the mixture? Describe the resulting components.
Consider the properties of solutes and solvents.
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