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5 Written Questions

5 Matching Questions

  1. carbon, copper, helium, aluminum
  2. solute
  3. chemical property
  4. breaking an ice cube, sharpening a pencil, cutting paper, dissolving salt into water, melting chocolate
  5. air
  1. a Name two elements.
  2. b charateristics of a substance that indicates whether it can undergo a certain chemical change
  3. c Which is the solvent with oxygen in the air?
  4. d substance that is dissolved (smaller amount)
  5. e Name two examples of physical changes.

5 Multiple Choice Questions

  1. combination of two or more elements, compounds, or BOTH that can be separated by physical means that are NOT in a fixed proportion
  2. ability of a substance to transfer heat from one area to another
  3. mixture in which two or more gaseous, liquid, or solid substaces blend EVENLY throughout to appear like one
  4. chemical processes using electricity to break down a compound like water
  5. What type of change is weathering and why?

5 True/False Questions

  1. massWhich is the solvent with oxygen in the air?

          

  2. flammability, reactivity with water, oxygen, acids, other substancesName two chemical properties.

          

  3. 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 withExplain how the law of conservation of mass applies to a chemical change.

          

  4. by chemical processes ONLYcharateristics of a substance that indicates whether it can undergo a certain chemical change

          

  5. colloidtype of pure substance in which atoms of two or more elements CHEMICALLY combine in a FIXED proportion

          

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