A metal X acquires green colour coating on exposure to air. (a) identify the metal X and name the process responsible for this (b) name and write chemical formula of the green coating formed on the metal. (c) list two important methods to prevent the process
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The metal is copper. The process involved here iS ruSting The green coating formed is basic copper carbonate. co203 t can be prevented by galvanisation or anodising
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answer:(a) the metal x is the copper oxide (b) this process is known as corrosion
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