Chemical Reactions

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Across
  1. 4. a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame
  2. 5. the combination of ideas to form a theory or system.
  3. 7. the process or effect of simplifying a single chemical entity into two or more fragments.
  4. 9. a type of chemical process typified by the exchange of one or more hydrogen ions, H+
  5. 10. In an aqueous solution, precipitation is the process of transforming a dissolved substance into an insoluble solid from a supersaturated solution.
Down
  1. 1. chemical process involving the exchange of bonds between two reacting chemical
  2. 2. the process of breaking down food by mechanical and enzymatic action in the alimentary canal
  3. 3. the action of breathing.
  4. 6. system of biological processes by which photosynthetic organisms, such as most plants, algae, and cyanobacteria
  5. 8. a reaction in which one element is substituted for another element in a compound.