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5 Written questions

5 Matching questions

  1. solution
  2. only by another chemical change
  3. The properties of elements are DIFFERENT than the properties of compound the elements make up.
  4. sifting, magnetism, distillation, centrifuge, physical removal, filtration
  5. The mass of all materials used IN a change to start with are equal to the mass of all the materials that are created or what you end with
  1. a Explain how the law of conservation of mass applies to a chemical change.
  2. b Name two ways to separate a mixture.
  3. c Explain how the properties of elements compare to properties of a compound the elements make up.
  4. d homogeneous mixture that appears to be a simgle substance, but is composed of particles of two or more substances that are distributed evenly amongst each other. What is another name for liquid homogeneous mixtures.
  5. e How can a compound be separated?

5 Multiple choice questions

  1. How many elements are there total?
  2. combination of two or more elements, compounds, or BOTH that can be separated by physical means that are NOT in a fixed proportion
  3. Which is the solvent with oxygen in the air?
  4. mixture in which two or more gaseous, liquid, or solid substaces blend EVENLY throughout to appear like one
  5. Name three different physical properties

5 True/False questions

  1. by chemical processes ONLYHow can compounds be separated?


  2. solubleable to be dissolved


  3. flue, paint, fog, smog, gel, shampoo, hairspray, milk, mayonnaise, stick deodorant, jello, whipped creamName two examples of colloids.


  4. 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 substancesName two chemical properties.


  5. electrolysischemical processes using electricity to break down a compound like water


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