Water

3. What gas is injected into water to sterilise it?
5. Name of the process used to separate water from other liquids
6. What type of hard water does Magnesium Sulphate cause?
7. A source of water
9. What is the chemical symbol for Calcium Sulphate?
10. What is the more common name for Calcium Sulphate?
11. Name of the two ions that cause hard water (two words, hyphenated)
13. What two elements make up water? (two words, hyphenated)
17. Does water contract when it freezes?
18. Name of the process where small insoluble particles are removed from the water
19. What bedrock leads to temporary water hardness?
21. What temp does water freeze? (Degrees Celsius)

1. Word equation for water (Hyphenated)
2. The process that removes large insoluble particles from the water
4. Rain water is the purest form of water, True or False?
6. What type of hard water does Calcium Sulphate cause?
7. What can hard water create/form?
8. Where do dissolved minerals come from?
12. What temp does water boil? (two words, hyphenated)(Degrees Celsius)
13. Chemical symbol for water
14. Does water contract when frozen?
15. Means safe to drink
16. Method of removing temporary hard water that doesn't work on permanent hard water?
20. What percentage of an adult males body is water?