Unit 2

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Across
  1. 4. prevention of waste is principle of ___
  2. 5. Washing,brushing or by blow down operations are the methods which are used to remove ___
  3. 8. ____ hardness cannot be removed by boiling
  4. 9. Degradation of boiler metal due to dissolved O2, CO2 and Mg salts in the boiler water IS
  5. 10. There are total __ pinciples of Green Chemistry
  6. 12. ___ is another name for zeolite
Down
  1. 1. Hydrated sodium aluminosilicate is name of
  2. 2. Process of removing salts, ionic dyes from water by using CSM and ASM membrane in presence of electric field is principle of
  3. 3. __ are Strong, hard, adhering coating/crust on the inner walls of a boiler
  4. 5. ____ membrane is used in reverse osmosis
  5. 6. Hardness present in water because of carbonates & bicarbonates is
  6. 7. In ___ Chemistry poor atom economy is observed.
  7. 9. colour of metal - EDTA complex
  8. 11. ___ is used for dissolving scales