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5 Written questions

5 Matching questions

  1. Precipitate
  2. Decomposition
  3. Chemical Property
  4. Concentration
  5. Combustion
  1. a The amount of one material in a certain volume of another material
  2. b A rapid reaction between oxygen and fuel that results in a fire
  3. c A solid that forms from a solution during a chemical reaction
  4. d A chemical reaction that breaks down compounds into simpler products
  5. e A characteristic of a pure substance that describes its ability to change into a different substance

5 Multiple choice questions

  1. A change in a substance that does not change its identity
  2. A reaction that absorbs energy in the form of heat
  3. A substance that undergoes change in a chemical reaction
  4. A short, easy way to show a chemical reaction, using symbols.
  5. A material that releases energy when it burns

5 True/False questions

  1. Chemical ChangeA change in which on or more substances combine or break apart to form new substance

          

  2. Exothermic ReactionA reaction that absorbs energy in the form of heat

          

  3. SynthesisAnything that has mass and occupies space

          

  4. Physical PropertyA characteristic of a pure substance that describes its ability to change into a different substance

          

  5. CatalystA substance that undergoes change in a chemical reaction