6. what products does titanium have?
- silvery white metal and is soft
- slivery white metal and is hard
- dark and dull
7. what percentage of the earths atomspheres gases is nitrogen?
- 19%
- 78%
- 5%
8. what percentage of the earths atomsphere is oxygen?
- 21%
- 30%
- 7%
9. an example of a alkane?
- Methane
- ethene
- Carbon dioxide
10. what does emulsifiers do?
- stops water and oils from seperating
- seperates water and oil
- adds colour to the oil
