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5 Written questions

5 Matching questions

  1. Chemistry
  2. Synthesis
  3. Decompostion
  4. Physical Property
  5. Enzymes
  1. a A Chemical Reaction in which two or more simple substances combine to form a new, more complex substance
  2. b proteins that act as biological catalysts and lower the activation energy of reactions in cells
  3. c A characteristic of a substance into another substance
  4. d A chemical Reaction that breaks down compounds into simpler products
  5. e The study of matter and how matter changes

5 Multiple choice questions

  1. A material that increases the rate of a reaction by lowering the activation energy
  2. A rapid reaction between oxygen and fuel that results in fire
  3. A solid that forms from solution during a chemical reaction
  4. The substances you have at the beginning of a chemical equation
  5. Matter can enter or escape to the surroundings

5 True/False questions

  1. The Basic ingredient in a FireworkStar Pellet


  2. Fireworks are also known asAerial shells/charges


  3. Chemical Equationa shorthand way to use chemical symbols and numbers to describe a chemical reaction


  4. Chemical PropertyA Characteristic of a substance that describes its ability to change into another substance


  5. What silly name helps you remember the diatomicsHINCL BROF


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