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5 Written Questions

5 Matching Questions

  1. Exothermic Reaction
  2. Synthesis
  3. Chemical Equation
  4. Precipitate
  5. Catalyst
  1. a A Chemical Reaction in which two or more simple substances combine to form a new, more complex substance
  2. b A Reaction that releases energy in the form of heat
  3. c A material that increases the rate of a reaction by lowering the activation energy
  4. d A solid that forms from solution during a chemical reaction
  5. e a shorthand way to use chemical symbols and numbers to describe a chemical reaction

5 Multiple Choice Questions

  1. A reaction in which energy is absorbed
  2. A Characteristic of a substance that describes its ability to change into another substance
  3. The new materials at the end of a chemicle reaction
  4. Oxygen,Fuel,Heat
  5. A material used to decrease the rate of a reaction

5 True/False Questions

  1. ChemistryThe study of matter and how matter changes


  2. Activation energyA rapid reaction between oxygen and fuel that results in fire


  3. Fireworks are also known asOxygen,Fuel,Heat


  4. ReactantsThe substances you have at the beginning of a chemical equation


  5. CombustionA chemical Reaction that breaks down compounds into simpler products


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