acid rain Archives - Free ZIMSEC & Cambridge Revision Notes

January 2023

Unintentional changes to weather
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Unintentional changes to weather

Notes, O Level Geography, Ordinary Level Notes, Weather and Climate

Unintentional changes to weather

By garikaib|2022-09-15T12:44:41+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes, Weather and Climate|

ZIMSEC O Level Geography Notes: People and Weather: Accidental Changes

Acid Rain

The smoke from burning fuels and chemical industries rises into the air and mixes with water vapour.
When the rain falls down it becomes acidic.
The acid rain is a weak acid made up of sulphuric and nitric acids.
Over, a long time (years for example), the rain […]

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Chemical weathering

By garikaib|2022-09-15T12:44:23+02:00January 24th, 2023|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

Chemical weathering in a desert environment. Image credit Diffen.com ZIMSEC O Level Geography Notes: Main types of weathering: Chemical weathering

Chemical weathering is the breaking down or decomposition of rocks as a result of various chemical processes and reactions altering the chemical […]

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