F3 summary

1. 1. Composition of air

Air contains 78% by volume of (a)                   , 21% of (b)  , 0.9% of (c) and 0.1% of other gases (including carbon dioxide, water vapour and other noble gases).

1. 1. Composition of air

Air contains 78% by volume of (a), 21% of (b)                     , 0.9% of (c) and 0.1% of other gases (including carbon dioxide, water vapour and other noble gases).

1. 1. Composition of air

Air contains 78% by volume of (a), 21% of (b) , 0.9% of (c)                    and 0.1% of other gases (including carbon dioxide, water vapour and other noble gases).

2.Separation of oxygen and nitrogen from air

Stage1: (d)                                 

Stage2: (e)                                 

Stage3: (f)                                 

2.Separation of oxygen and nitrogen from air

Stage1: (d)                                 

Stage2: (e)                                  

Stage3: (f)                                 

2.Separation of oxygen and nitrogen from air

Stage1: (d)                                 

Stage2: (e)

Stage3: (f)                                  

3.Test for oxygen

Oxygen will (g)                                 a glowing splint.