More cards in this set

Card 26

Front

How can we liquify air in order to seperate the nitrogen and oxygem?

Back

Preview of the front of card 26

Card 27

Front

What do we do after liquifying the air in order to seperate it?

Back

Preview of the front of card 27

Card 28

Front

What are the uses of nitrogen?

Back

Preview of the front of card 28

Card 29

Front

What are the uses of oxygen?

Back

Preview of the front of card 29