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Across
  1. 4. Acid that forms DNA and RNA
  2. 8. Breaking down a compound
  3. 9. Separating solids from liquids
  4. 10. Reaction of acid and base
  5. 14. Contains carbon
  6. 16. Fats and oils
  7. 17. When forward and reverse reactions equal
  8. 19. Made of amino acids
  9. 21. Compounds of hydrogen and carbon
  10. 22. Building blocks of protein
  11. 23. Replacement of one element
  12. 24. Small unit of a polymer
  13. 25. Separating by spinning
Down
  1. 1. Separating by boiling point
  2. 2. Combining to form a compound
  3. 3. Substance that speeds up reaction
  4. 5. Burning with oxygen
  5. 6. Sugars and starches
  6. 7. Separating by movement through a medium
  7. 11. Exchange of ions between compounds
  8. 12. Energy required to start reaction
  9. 13. Shows pH change
  10. 15. Measuring concentration by reaction
  11. 18. Protein that catalyzes reactions
  12. 20. Large molecule made of monomers