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Very simple quick questions

scienator
in Chemistry

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hey i have a couple of questions,

 

why does coke remove rust and dirt from metals? (or how)

 

why or how does baking soda remove rust and dirt from metals.

 

Thanks.

 

rust is FeO2 which is dissolved by acid, baking soda is not an acid so it wouldn;t remove any rust. Since coke is low in pH its consiered an acid and would disolve the rust?

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