Activate 2 Metals and Acids

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Across
  1. 6. A chemical that changes colour to show whether a solution is acidic alkaline or neutral (Starts with I, 9 letters)
  2. 9. The bubbling or fizzing seen in a test tube when a gas is produced during a chemical reaction (Starts with E, 12 letters)
  3. 11. The gradual destruction of a metal caused by a chemical reaction with its environment such as rusting (Starts with C, 9 letters)
  4. 13. A list of metals ordered from the most reactive to the least reactive (Starts with R, 16 letters)
  5. 15. The acid that reacts with metals to produce a metal chloride salt (Starts with H, 12 letters)
Down
  1. 1. A reaction where a more reactive metal pushes out and takes the place of a less reactive metal from its compound (Starts with D, 12 letters)
  2. 2. The gas produced when a metal reacts with an acid that makes a squeaky pop sound with a lighted splint (Starts with H, 8 letters)
  3. 3. A reaction where a metal gains oxygen to form a metal oxide (Starts with O, 9 letters)
  4. 4. A compound formed when the hydrogen in an acid is replaced by a metal during a reaction (Starts with S, 4 letters)
  5. 5. Letters like s l g and aq used in chemical equations to show if a substance is solid liquid gas or dissolved in water (Starts with S, 12 letters)
  6. 7. A substance that neutralizes an acid to form a salt and water only (Starts with B, 4 letters)
  7. 8. A hard unreactive compound made from clay that is resistant to heat and acid damage (Starts with C, 7 letters)
  8. 10. A reaction that releases energy to the surroundings usually causing the temperature to rise (Starts with E, 10 letters)
  9. 12. The acid that reacts with metals to produce a metal nitrate salt (Starts with N, 6 letters)
  10. 14. The acid that reacts with metals to produce a metal sulfate salt (Starts with S, 8 letters)