chemistry

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Across
  1. 2. formula of rust
  2. 4. colour of ca-EBT complex
  3. 5. method use to obtain pure water
  4. 6. soft and smooth particle in boiler pipeline
  5. 9. SOLUTION to use regeneration of zeolite
  6. 10. process of removing salts,ionic dyes from water
  7. 13. alkalinity practically possible
  8. 14. in reverse osmosis water travel from high to _ concentration
  9. 15. to remove o2 from boiler water
Down
  1. 1. hardness can be removed by boiling and filteration
  2. 3. EDTA is which legand _
  3. 7. _chemistry has high risk of accident
  4. 8. regeneration of CER
  5. 11. hydrated sodium alumino silicate known as _
  6. 12. hard and strong particle
  7. 15. green has _ atom economy