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Sam Smitheringale

C2 Rocks and Metals

Pigments give paints there colour
Paints are colloids
Some paints are water based and some are oil based
Dyes are used to colour fabrics
Thermo chromic paints change colour when heated
Phosphorescent pigments glow in the dark

Aluminium and iron are extracted from ores…

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Sam Smitheringale

Acid rain kills fish, trees and statues
Oxides of Nitrogen also cause photochemical smog
Carbon monoxide is a poisonous gas
It is important that atmospheric pollution is controlled

More collisions increase the rate of reaction
o Increasing the Temperature
o Increasing the concentration
o Increasing the surface area…


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