The pure metals aluminium, copper and gold and the alloys brass and magnalium are used to make many useful articles.The way in which these metals and alloys are used is related to their properties, such as their density, electrical conductivity, resistance to corrosion and strength. State some uses of aluminium, copper, gold, brass and magnalium and explain how each use is related to their properties – 9048

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1. Uses of Metals and Their Properties
   Aluminium is used to make cooking foil because it is malleable, non-toxic, and has low reactivity.

   Copper is used in water pipes because it is unreactive and does not corrode easily.

   Gold is used in electronic contacts because it is a good conductor and does not corrode.

   Brass is used to make pins in electric plugs as it is strong and hard-wearing.

   Magnesium alloy is used in aircraft parts because it has a low density, making it light.

   These metals are chosen because their properties match their use, such as strength, conductivity, or resistance to corrosion.

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