Chemistry-indicators

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Across
  1. 3. The pH of this solution is 7
  2. 5. The pH of gastric juice in ---- than seven
  3. 8. Artificial indicators are also called as---indicators
  4. 9. How many main classification of indicators do you find
  5. 10. Ammonia is ---- in nature
  6. 12. pH paper is called as a ----- indicator
  7. 13. Mention an olfactory indicators which is used as a vegetable
  8. 14. A flower that shows the pH of the soil
  9. 15. litmus is extract obtained from this plant
Down
  1. 1. An indicator which turns pink in base
  2. 2. A cooking ingredient which turns bright red when dissolved in base
  3. 4. petals of china rose turns to this colour in base
  4. 6. An indicator which turns straw yellow in base
  5. 7. This turns blue litmus to red
  6. 11. The pH of this solution is more than 7