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5 Written questions

5 Matching questions

  1. colloid and suspension
  2. 26
  3. physical property
  4. sifting, magnetism, distillation, centrifuge, physical removal, filtration
  5. flammability, reactivity with water, oxygen, acids, other substances
  1. a Name two chemical properties.
  2. b Name two ways to separate a mixture.
  3. c How many elements are created in man-made laboratories?
  4. d Which type of mixture has solute large enough to scatter light?
  5. e any characteristic of a material that you can observe or measure without changing the IDENTITY of the material

5 Multiple choice questions

  1. Name two examples of heterogeneous mixtures.
  2. anything that has mass and volume
  3. How many elements occur naturally?
  4. Name two compounds.
  5. ability of a substance to be pounded into thin sheets

5 True/False questions

  1. pure substanceable to be dissolved

          

  2. by physical meansHow can mixtures be separated?

          

  3. pure substancesubstance that is dissolved (smaller amount)

          

  4. insolubleable to be dissolved

          

  5. Physical change - rocks are broken into smaller/different pieces, but they are still rocks; chemical change - substances dissolve in water and react with other substances in the soil, air, or water making new substancesWhat type of change is weathering and why?