WJEC GCSE Applied Science (Single Award) 3440QS · 1.2.1(j)
Hard and soft water
- Code
- 1.2.1(j)
- In
- 1.2.1 Obtaining Clean Water
- Topic
- 1 Unit 1: Science in the Modern World
- Course
- GCSE Applied Science (Single Award) 3440QS
- Board
- WJEC
Codes and titles are read by a script from WJEC's published specification and have not been checked by a person. What each point covers is in the specification itself: WJEC’s specification.
Points in 1.2.1 Obtaining Clean Water
- 1.2.1(a) Elements and their symbols
- 1.2.1(b) Atomic number, mass number and isotopes
- 1.2.1(c) Elements and compounds
- 1.2.1(d) Composition of natural water
- 1.2.1(e) Sustainable water supply
- 1.2.1(f) Treatment of the public water supply
- 1.2.1(g) Desalination of sea water
- 1.2.1(h) The separation of water and other miscible liquids by distillation
- 1.2.1(i) Solubility curves
- 1.2.1(j) Hard and soft water
- 1.2.1(k) Softening water
- 1.2.1(l) Impacts of hard water