C1 - Air Quality 5.0 / 5 based on 1 rating ? ChemistryAir QualityGCSEOCR Created by: sophie99Created on: 27-01-14 19:15 324156 Across 1. Also know as combustion (7) 4. A chemical that's harmful because it's in the wrong place (9) 5. A mixture of a liquid and a ground-up solid. (6) 6. Formed when nitrogen and oxygen in the air are exposed to a very high temperature (8, 8) Down 2. CO2 (6, 7) 3. Tiny particles that are in the air (12)
Comments
No comments have yet been made