water and green chemistry

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Across
  1. 3. what is used to remove oxygen from boiler water
  2. 5. what are the hard and strong particles in boiler
  3. 9. it is called as membrane techniques for water purification
  4. 11. it is portable
  5. 12. neutralisation titration is used to remove
  6. 13. which water forms lather with soap
  7. 14. removal of salts , ionic pollutants from water is called
Down
  1. 1. EDTA IS
  2. 2. chemistry which has high atom economy
  3. 4. which water do not forms lather with soap
  4. 5. what is less harmful in boiler
  5. 6. which method is used to obtain pure water using cation exchanger resin and anion exchanger resin
  6. 7. It is classified in hard and soft
  7. 8. chemistry which has poor atom economy
  8. 10. CER is