Chemical Reactions

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Across
  1. 4. A substance that takes part in and undergoes change during a reactant
  2. 5. A measure of acidity or alkalinity of water soluble substances
  3. 6. A molecule or other species which can donate a proton or accept an electron pair in reactions
  4. 7. A substance that will destroy and damage other substances
  5. 8. An acid and a base interact with the formation of a salt
  6. 9. A chemical reaction accompanied by the absorption of heat
  7. 10. Something that is formed as the result of a chemical reaction
  8. 12. A chemical reaction accompanied by the evolution of heat
  9. 15. A fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
Down
  1. 1. The sequence of exothermic chemical reactions between a fuel and an oxidant
  2. 2. An indicator that changes colour on going from acidic to basic solutions
  3. 3. A chemical compound that always contains exactly the same proportion of elements by mass
  4. 11. A chemical species that donates electrons or hydroxide ions or that accepts protons
  5. 13. A process that involves rearrangement of the molecular or ionic structure of a substance
  6. 14. Incapable of dissolving in a solvent
  7. 16. The ability of a substance to dissolve