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IV. APPLICATIONS AND NATURAL OCCURRENCE 

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IV. APPLICATIONS AND NATURAL OCCURRENCE

-Aluminum powder is mixed with iron oxide powder( called thermite mixture) to perform thermile reaction for welding railway tracks.

-Aluminum is light, well electrically conductive; therefore, aluminum, as an alternative to copper, used as an electric wire. Due to its good electrical conductivity, slow rost formation; and non-toxicity, aluminum is used to make kitchen utensils.

-Aluminum and aluminum alloys have a beautiful silvery color, therefore they are used in house construction and furnishing.

1. APPLICATIONS

-An advantage of aluminum and aluminum alloy is their lightness, stability in air and water, therefore they are used as a material to manufacture aircraft, cars, rockets, and spaceships.

APPLICATIONS

Criolit(3NaF.AlF3)
Đấtsét(Al2O3.2SiO2.2H2O
Boxit (Al2O3.2H2O)

-Aluminum compounds are everywhere, such as in clay.

-Aluminum is the third most abundant element in the Earth'"s crust after oxygen and silicon.

2. NATURAL OCCURRENCE

-Aluminum is an active metal, so in nature, it only exists in form of compounds.

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