1C June 2011 Flashcards
1
Q
When ammonia chloride is heated what gases are produced?
A
Ammonia and hydrogen chloride.
2
Q
When ammonia chloride is heated what solid forms?
A
Ammonium chloride.
3
Q
In chromatography why is the water level below the dyes?
A
To stop dyes from running.
4
Q
Why might a colour not move during chromatography?
A
Insoluble.
5
Q
Identify one solid product and one gaseous product that could form during the incomplete combustion of propane.
A
Carbon and carbon monoxide.
6
Q
Bromoethane?
A
CH3Br.
7
Q
Why is aluminum good for aircrafts?
A
Low density.
8
Q
Methyl orange in acid?
A
Red.
