Across
- 2. Preservative used to make cheese and jam
- 4. Symbol for Magnesium
- 5. Water fit for drinking
- 8. Percentage of salinity in the sea
- 9. Process by which water can be broken down into hydrogen and oxygen
- 10. number of elements in the periodic table
Down
- 1. Proposed the atomic theory of matter
- 3. Elements in gaseous state that do not react chemically with other elements
- 4. Process to use to seperate iron fillings from a mixture of iron fillings and sulphur
- 6. Example of a substance which goes through sublimation (given in book)
- 7. Symbol for Zinc chloride