SNAPE'S POTIONS CROSSWORD

1234567891011121314151617
Across
  1. 2. A type of reaction where a new substance is formed by combining two or more elements
  2. 4. A solid that forms and settles out of a liquid mixture during a chemical reaction
  3. 6. The measure of hydrogen ion concentration in a solution
  4. 8. The process of breaking down a compound into simpler substances
  5. 10. A substance that changes colour when exposed to acids or bases
  6. 11. A substance that speeds up a chemical reaction without being consumed
  7. 12. A chemical equation with the same number of atoms of each element on both sides (shows conservation of mass)
  8. 13. A substance that neutralises an acid
  9. 14. A reaction between an acid and a base to form a salt and water
  10. 16. A substance that is present at the start of a chemical reaction and gets changed into something new
  11. 17. The gradual destruction of metals by chemical reactions
Down
  1. 1. A reaction between an acid and a metal, producing hydrogen gas
  2. 3. A reaction where energy is released as heat
  3. 5. A substance that neutralises an acid
  4. 6. A reaction where a solid forms from a solution
  5. 7. A reaction that absorbs heat energy
  6. 9. A reaction where a substance reacts with oxygen and releases energy, often as heat and light (burning)
  7. 15. A substance that is made as a result of a chemical reaction