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5 Written questions

5 Matching questions

  1. Endothermic Reaction
  2. Matter
  3. Conservation of Matter
  4. Inhibitor
  5. Chemical Change
  1. a A change in which on or more substances combine or break apart to form new substance
  2. b A material that decreases the rate of a reaction
  3. c The principle stating that matter is not created or destroyed during a chemical reaction
  4. d Anything that has mass and occupies space
  5. e A reaction that absorbs energy in the form of heat

5 Multiple choice questions

  1. A material that increases the rate of a reaction by lowering the activation energy
  2. A solid that forms from a solution during a chemical reaction
  3. The amount of one material in a certain volume of another material
  4. A reaction in which one element replaces another in a compound or when two elements in different compounds trade places
  5. A chemical reaction that breaks down compounds into simpler products

5 True/False questions

  1. Physical ChangeA change in a substance that does not change its identity

          

  2. Open SystemA system in which no matter is allowed to enter or leave

          

  3. ChemistryThe study of the properties of matter and how matter changes

          

  4. ReactantA reaction in which one element replaces another in a compound or when two elements in different compounds trade places

          

  5. CombustionA rapid reaction between oxygen and fuel that results in a fire

          

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