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    Define corrosion, rusting and rancidity.

    Asked By James White


    • Corrosion: Metals when kept expossed in air reacts with moisture,acids and other gases present in air. The surface layer is formed on metals and this process is called corrosion.Rusting: Iron metal when left exposed in air reacts with moisture and air to form brown flaky powdery substance called rust, this process is called rusting.Rancidity: Food containing fats and oil when exposed to air gets oxidised and gives badtaste and smell to food. This process is called rancidity.

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