Across
- 2. drying agent
- 7. downward displacement of air
- 10. other name
- 11. reduces metallic oxides to metal
- 12. manufacture of ammonia
- 15. burns in liquid form
- 16. promoter
- 17. used as fuel in missiles
Down
- 1. nature of gas
- 3. aqueos solution of ammonia
- 4. catalytic oxidation of ammonia
- 5. dervatives of ammonia
- 6. keeps things cool
- 8. conditions for manufacturing ammonia
- 9. ammonia gas liquefied
- 13. catalyst
- 14. odour