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Section 1.2 Practice Worksheet D
Separation of Mixtures
Each of the pairs of substances below can be classified as a mixture. Think about the physical and chemical
properties of each substance. Taking advantage of those properties, how would you separate the mixtures into
their components? Remember: if they share a chemical or physical property, you won’t be able to separate
them based on that characteristic; focus on the differences.
1. Sand and water
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2. Sugar and water (Hint: if you didn’t have to keep the water)
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3. Oil and water
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4. Sand and gravel
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5. Mixture of salt and iron filings
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Challenge Problems:
6. A mixture of heptane (boiling point 98 oC) and heptanol (boiling point 176 oC).
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7. A mixture of lead and aluminum pellets
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8. A mixture of iodine solid and sodium chloride (Hint: iodine is not soluble in water.)
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