Mixtures impure substances

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Mixtures(impure substances)

• A ___________ combination of two more elements or
  compounds. No ___________ ____________ take place
  to make a mixture.
• They can be separated by ___________ means.
  (example evaporation)
• They are divided into 2 main categories
  heterogeneous mixtures homogeneous mixtures

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Heterogeneous Mixtures

• The _________ parts (elements or compounds)
  ________ be seen.
• Example- oilvinegar salad dressing

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Homogeneous Mixtures

• The _________ parts ________ be seen.
• Any one part of the mixture has the ________
  ratio of substances as another.
• Examples- salt water white gold (a combo of Au
  and Pd) salt water

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Types of heterogeneous and homogeneous mixtures
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Solution Facts

• Solute part ________ dissolved
• Solvent part ________ the dissolving (water is
  the Universal solvent.
• Solubility- amount of solute that can be ________
  at a certain temperature.
• Soluble solute can dissolve
• Insoluble solute cannot dissolve

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Pure Substances (have definite composition or
proportions)

• Elements- __________ form of matter. They CANNOT
  be separated into other substances by chemical
  reaction.
• Example (see periodic table)
• Compounds- A __________ of 2 or more _________.
  They CAN be separated by a chemical reaction.
• Example NaCl (table salt)