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5 Written questions

5 Matching questions

  1. Fuel
  2. Conservation of Mass
  3. Chemical Equation
  4. Inhibitor
  5. Precipitate
  1. a a shorthand way to use chemical symbols and numbers to describe a chemical reaction
  2. b A material used to decrease the rate of a reaction
  3. c A material that releases energy when it burns
  4. d During a Chemical Reaction Matter is not created or destroyed
  5. e A solid that forms from solution during a chemical reaction

5 Multiple choice questions

  1. A Characteristic of a substance that describes its ability to change into another substance
  2. The new materials at the end of a chemicle reaction
  3. Anything that has mass and takes up space
  4. A reaction in which energy is absorbed
  5. Any Change that alters the form or appearance of a substance but that doesn't make the substance into another substance

5 True/False questions

  1. ChemistryA material that increases the rate of a reaction by lowering the activation energy


  2. Activation energyThe minimum amount of energy needed to start a chemical reaction


  3. CatalystThe substances you have at the beginning of a chemical equation


  4. SynthesisAnything that has mass and takes up space


  5. Exothermic ReactionA Reaction that releases energy in the form of heat


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