Acid,Bases and Salts

123456789101112
Across
  1. 2. The scale used to measure acidity or basicity of a solution.
  2. 4. A natural indicator obtained from a plant that turns red in acid.
  3. 5. The ion produced by bases in aqueous solution.
  4. 7. This indicator turns pink in bases and colourless in acids.
  5. 10. A base that dissolves in water.
  6. 11. The gas released when acid reacts with a metal.
  7. 12. A salt used to make cakes and as an antacid.
Down
  1. 1. Compound used for setting broken bones.
  2. 3. Compoundused for bleaching cotton and disinfecting water.
  3. 6. The compound formed when acid reacts with a base.
  4. 8. The ion produced by acids in aqueous solution.
  5. 9. Substance used to neutralize acidity in soil.