Acids & Bases and pH value

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Across
  1. 3. Preferred by scientists because it gives more accurate and quick values of pH
  2. 4. Tastes sour and feels rough on the skin
  3. 7. When pH value is equal to 7
  4. 8. Taste bitter and feel slippery between fingers
  5. 11. Power of hydrogen
  6. 12. An example of a strong base.
  7. 15. pH value is closer to 1
  8. 16. A base dissolved in water
Down
  1. 1. An acid secrets in human 'stomach
  2. 2. Has high concentration of OH- ions.
  3. 5. Means highly reactive and can damage substances and burn living tissues
  4. 6. Turns into yellow in the presence of acids
  5. 9. Turns into pink or red in the presence of bases
  6. 10. An example of a household acid
  7. 13. A natural indicator works similar to universal indicator
  8. 14. A little amount of acetic acid dissolved in water