| Across: |
| 1 |
To remove unwanted materials from a substance. (6) |
| 3 |
Molecules of a variety of these, can be separated on a paper dipped in a solvent. (7 in UK, not 6 as in the US) |
| 6 |
A liquid has to be heated to this condition before it can be distilled. (7) |
| 7 |
A word meaning it is not pure, often used to describe polluted drinking water. (12) |
| 8 |
The method for separing the colours from different sweets, but a bit of a mouthful! (14) |
| 9 |
It dissolves in water, nice on chips! (4) |
| 11 |
A 'posh' word for the costly process of removing salts to make pure water from seawater. (12) |
| 12 |
It means just 100% of one substance, nothing extra! (4) |
| 15 |
Increase this, and with it rises the solubility of most substances in a liquid. (11) |
| 16 |
Another word for a mixture, but meaning its not 100% of the only material you want. (6) |
| 18 |
A word meaning how much of solid will dissolves in a liquid solvent. (10) |
| 20 |
It means a fine particles of an insoluble solid dispersed in a liquid (e.g. muddy water) or not allowed in school! (10) |
| 22 |
The general name for a liquid that dissolves things. (7) |
| 23 |
The temperature does this as it heads towards the boiling point. (5) |
| 24 |
What you do to water to leave the salt. (9) |
| 25 |
What is formed when a solid dissolves in a liquid. (8) |
| 26 |
A good cheap solvent for many salts! (5) |
| 27 |
This can separated into useful fractions by distillation. (5,3) |
| 28 |
What a mixture! and most water soluble minerals end up as part of it! (8 or 3,5) |
| 29 |
The handy bit of apparatus that changes a hot gas into a much cooler liquid! (9) |