Water Crossword

2. Stage where small, insoluble particles are removed.
6. Term for water containing salt.
7. ___ Condenser. Straight glass tube. Named for the "father of organic chemistry"
9. Calcium carbonate deposits stuck in equipment.
10. The stage of water treatment where large, insoluble particles are removed.
13. Rock containing carbon carbonate, white in colour when pure.
14. Another alkaline earth metal that burns orange, also makes water hard.
15. Method of water purification through evaporation and condensation.
16. ____ filtration, the first stage of water treatment.
17. Term for a shortage of rainfall.
19. A white mineral responsible for permanent hardness. Is also named carbon sulphate.
20. Main use of water across the world. Term for food production.
21. Alkaline earth metal that burns white, makes water hard.
22. Baking ___ the third and final method of removing hardness from water.

1. A property of rock particles removed during filtration and sedimentation.
3. A method of gaining fresh water, used in dry, coastal areas, requiring reverse osmosis equipment or distillation.
4. Rock containing magnesium and calcium.
5. Another method of softening water, involving temperature increase of a water sample.
7. A water pollutant, usually found in polluted rivers next to industrial zones. Can cause brain damage if ingested.
8. Water containing little magnesium or calcium. Does not form limescale and scum.
10. Formed when hard water reacts with soap.
11. One method of softening water,involving the exchange of calcium and magnesium for sodium.
12. A term for underground water deposits.
13. One of the final stages of water treatment, involving the neutralisation of pathogens.
18. The term for water being treated in order to improve dental health.