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5 Written questions

5 Matching questions

  1. Chemistry
  2. Coefficient
  3. Chemical Change
  4. Matter
  5. Product
  1. a A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in the reaction
  2. b A substance formed as a result of a chemical reaction.
  3. c Anything that has mass and occupies space
  4. d The study of the properties of matter and how matter changes
  5. e A change in which on or more substances combine or break apart to form new substance

5 Multiple choice questions

  1. A characteristic of a pure substance that describes its ability to change into a different substance
  2. A chemical reaction that breaks down compounds into simpler products
  3. A reaction that absorbs energy in the form of heat
  4. A reaction in which one element replaces another in a compound or when two elements in different compounds trade places
  5. A system in which no matter is allowed to enter or leave

5 True/False questions

  1. Conservation of MatterThe amount of one material in a certain volume of another material

          

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

          

  3. CatalystA material that increases the rate of a reaction by lowering the activation energy

          

  4. ReactantA substance that undergoes change in a chemical reaction

          

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

          

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