Elem. Chem/Phys 5
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Mixtures | Two or more substances that have been combined.
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| Heterogeneous | Hetero = Greek meaning different. You can see different things in a heterogeneous mixture.
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| Homogeneous | Homo = Greek means same or like. Substances are so well mixed that they look the same.
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| Suspension | A mixture where larger particles are mixed into smaller particles. The larger particles suspend throughout mixture.
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| Solution | One substance that is dissolved into another substance.
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| Solute | Something being dissolved
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| Solvent | Something doing the dissolving.
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| Universal Solvent | Many other substances on earth are able to dissolved in it because of its chemical properties.
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| Nonpolar molecule | Won't dissolve in water.
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| Soapy solutions | Ends love both oil and water.
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| Alloys | Metals that have been dissolved into other metals to form a metal solution
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| Colloid | Particles are larger than the particles in a solution but smaller than the particles in a suspension.(ie: Pudding or aerosol or foam.)
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| Gel | Colloid made of solid particles mixed in a liquid.
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| Aerosol | Liquid mixed in a gas.
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| Foam | Made by mixing a gas in a liquid
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| Emulsion | Droplets of liquids mixed with another liquid form this - emulsion (mayonnaise = egg yolk and oil)
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| Concentrate | Large amount of solute in the solvent
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| Saturated solution | Solution that has reached the point where no more solute can dissolved in the solvent.
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| Supersaturated solution | Dissolves more than a saturated solution - but it's very unstable (Soda)
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| Evaporation | When a liquid turns into a gas.
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| Filtration | Used to allow a liquid to seep through a substance that traps larger particles, letting only the pure liquid through.
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| Sifting | Method used to separate large or important parts of a mixture.
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| Magnetism | Used to separate mixtures that have highly magnetic metals in them.
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| Chromatography | Method of separating mixtures as they move across a certain material that attracts the components differently. Chromatography = Greek meaning color writing.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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