Mixtures
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Created by:
georgiab14 on April 23, 2012
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21 terms
Terms | Definitions |
|---|---|
 a solid | particles that are tightly linked together in a definite shape |
| a liquid | this is a state of matter that has a definite volume but not a definite shape |
| a gas | this is a state of matter that does not have a definite shape or volume and the atoms are far apart |
| compound | a whole formed by a union of two or more elements or parts which have been chemically combined |
| element | any substance that cannot be broken down into simpler substances |
| Separating a mixture of water and ink | A chronical flask with water and ink being heated a delivery tube through into a tube in a beaker of cold water the water turns into steam when heated and then in the cold water cold and becomes a liquid again |
| Mixtures | two or more substances that are not chemically combined |
| Distillation using the liebig condenser | a more difficult version of separating a mixture of water and ink |
| crystal gardens | water glass and different metal salt in our case iron ll sulphate yellow green, copper ll sulphate blue, iron lll chloride orange, nickel sulphate turquoise, colbalt chloride purple bule |
| Aqueous solutions | solutions in which water is the solvent |
| Retention factor (r) | r = distance travelled by substance / distance travelled by solvent |
| Fitration | ... |
| Evaporation | ... |
| Chromatography | ... |
| Tap funnel | ... |
| Distilation | ... |
| Fractional distilation | ... |
| salt | metal compound, fromed from an acid by replacing the hydrogen with metal |
| Acids | all have hydrogen e.g. nitric acid HNO3, Sulfuric acid H2SO4 |
| universal indicator scale | Strong acid 1,2, red/orange. weak acid 3,4,5,6 yellow/light green. neutral 7 green. weak alkali 9,10,11 light blue. Strong alkali 12,13,14 purple |
| examples of things on the scale | salt=7, oven clean=14, soduim hydoxide=4, citric acid=1, lime water=10 |
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