State the reasons for the following-(3 marks) (a) Iron articles loose – InterviewSolution

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1.	State the reasons for the following-(3 marks) (a) Iron articles loose their shine gradually. (b) Food should be kept in air tight containers. (c) Apperance of black coating on silver whenever it is exposed to air.
Answer» State the reasons for the following-(3 marks) (a) Iron articles loose their shine gradually. (b) Food should be kept in air tight containers. (c) Apperance of black coating on silver whenever it is exposed to air.

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