Chemistry Grade 10

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Across
  1. 2. acid Acid found in vinegar
  2. 4. test Test used to detect acids and bases
  3. 7. A uniform mixture of two or more substances
  4. 10. Final answer
  5. 13. reaction Change that produces new substances
  6. 14. energy Energy stored in chemical bonds
  7. 16. Color of universal indicator in neutral solution
  8. 17. Gas humans breathe in that plants release
  9. 19. Process where a solid changes directly to gas
  10. 20. Smallest unit of matter
  11. 21. dioxide Gas that makes fizzy drinks bubble
  12. 22. Gas used in balloons because it’s lighter than air
Down
  1. 1. Process that separates liquids by boiling points
  2. 3. Substance that speeds up a reaction but isn’t used up
  3. 5. Scientist who created the periodic table
  4. 6. Two or more atoms bonded together
  5. 8. Opposite of an acid
  6. 9. Element with the chemical symbol Na
  7. 11. Element symbol S stands for this
  8. 12. Metal that is liquid at room temperature
  9. 15. Metal that rusts easily when exposed to air and water
  10. 18. cylinder Tool used to measure liquid volume accurately