JAMB - Chemistry (2024 - No. 82)
Nitrogen obtained from air is not absolutely pure because it contains the following except
oxygen
carbon (IV)oxide
inert gases
water vapour
توضيح
Nitrogen obtained from air is not absolutely pure because it contains other gases, including:
- Carbon dioxide: Makes up less than 0.04% of the atmosphere, but is important environmentally
- Argon: A component of air - one of the inert gases (0.93%)
- Water vapour.