An iron rod changed into iron oxide by rusting. Guess how the weights – InterviewSolution

1.	An iron rod changed into iron oxide by rusting. Guess how the weights before and after rusting of the iron rod are changed, if a = weight of the iron rod b = weight of the iron oxide A) a > b B) b > a C) a = b D) we cannot say
Answer» Correct option is C) a = b

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