water

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Across
  1. 3. the impurities sticking on to filter paper
  2. 5. removes bad odour from water
  3. 7. A solid with definite shape, size with flat surfaces
  4. 10. A method to remove light suspended impurities in water
  5. 13. allowing the impurities to settle down in order of their heaviness
  6. 14. Insoluble impurities
Down
  1. 1. Water that is fit for human consumption
  2. 2. A disease caused due to iodine deficiency
  3. 4. simplest method to kill germs
  4. 6. old method of filtration
  5. 7. A chemical used to kill germs
  6. 8. A water-borne disease
  7. 9. chemical added to speed up sedimentation process
  8. 11. Universal solvent
  9. 12. the liquid that dissolves the solute