Chemguide: Core Chemistry 14 - 16


Oxygen and the Air Menu


The composition of the air . . .

The proportions of gases in the air, and how to find the percentage of oxygen.

Making oxygen in the lab . . .

Using hydrogen peroxide solution to make oxygen in the lab, and testing for oxygen.

Burning elements in air or oxygen . . .

What happens when you burn a selection of metals and non-metals in the air, and some generalisations you can make about the oxides which are formed.

Acid rain . . .

The causes and effects of acid rain.

Global warming . . .

A quick survey of the greenhouse effect and its influence on global warming.

Ozone depletion . . .

The effects of atmospheric pollution on the ozone layer in the high atmosphere.


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© Jim Clark 2020