Pure substances and mixtures
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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| What are the 5 main points of particle theory? | 1. All matter is made up of tiny particles.
2.Particles have spaces between them.
3.though you can't see them, particles are always moving.
4. Particles move fast and are spred farther apart when heated.
5.Particles attract eachother so they stay clos
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| What is concentration? | concentration is the amount of solute in a solvent.
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| What is a solute? | The smaller part of a solution that dissolves into the solvent.
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| What makes a substance pure? | Matter that contains only one kind of particle.
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| What does dissolving mean? | Dissolving means to mix one type of matter into another type of matter to form a solution.
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| What is the universal solvent? why? | Water is the universal solvent because it dissolves more solutes than any other solvent.
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| What does dilute mean? | Dilute means that a solvent has a very small amount of solute particles in it.
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| What is solubility? | Solubility is the measure of how much solute can dissolve in a certain solvent before the solution becomes saturated
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| What is a solvent? | The larger part of a solution; the part of the solution into which the solutes dissolve.
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| What is the difference between a mechanical mixture and a solution? | A mechanical mixture is a mixture with different parts you can see and a solution is a mixture that looks like a pure substance.
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| What are the scientific names for mechanical mixture and solution? | Mechanical mixture:Hetrogeneous mixture
Solution:Homogeneous mixture
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| When can a substance be harmful? | a substance can be harmful when it is consumed in too large amounts.
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