water and green chemistry

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